Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04...

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Percentages Discounts

Transcript of Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04...

Page 1: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

Percentages

Discounts

Page 2: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

Convert to decimals

1. 30%2. 4%3. 525%4. 42%5. 6.5%6. 456%7. 7.2%

1. 0.32. 0.043. 5.254. 0.425. 0.0656. 4.567. 0.072

Page 3: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

Find the following

1. 30% of $232. 4% of $4353. 525% of $364. 42% of $7.505. 6.5% of $19.406. 456% of $5407. 7.2% of $78

1. $6.902. $17.43. $1894. $3.155. $1.266. $2462.407. $5.62

Page 4: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

Find the percentage that

1. $42 is of $3482. $54 is of $4873. $3 is of $174. $47 is of $495. $18 is of $190

1. 12%2. 11%3. 17.6%4. 96%5. 9.5%

Page 5: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

This stove normally costs $907

• The shop offers a 11% discount.

• How much do you save if you buy this stove?

• How much do you pay if you buy this stove?

Page 6: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

This car normally costs $320 000.

• The shop offers a 9% discount.

• How much do you save if you buy this car?

• How much do you pay if you buy this car?

Page 7: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

This VCR normally costs $250.

• The shop offers a 12% discount.

• How much do you save if you buy this VCR?

• How much do you pay if you buy this VCR?

Page 8: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

This suit normally costs $314.

• The shop offers a 30% discount.

• How much do you save if you buy this suit?

• How much do you pay if you buy this suit?

Page 9: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

This divan normally costs $864.

• The shop offers a 16% discount.

• How much do you save if you buy this divan?

• How much do you pay if you buy this divan?

Page 10: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

This truck normally costs $34 000.

• The shop offers a 14% discount.

• How much do you save if you buy this truck?

• How much do you pay if you buy this truck?

Page 11: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

This book normally costs $64.

• The shop offers a 11% discount.

• How much do you save if you buy this book?

• How much do you pay if you buy this book?

Page 12: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

This t-shirt normally costs $35.

• The shop offers a 25% discount.

• How much do you save if you buy this shirt?

• How much do you pay if you buy this shirt?

Page 13: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

This pair of trousers normally cost $89.

• The shop offers a 22% discount.

• How much do you save if you buy these trousers?

• How much do you pay if you buy these trousers?

Page 14: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

This stationery normally cost $55.

• The shop offers a 8% discount.

• How much do you save if you buy this stationery?

• How much do you pay if you buy this stationery?

Page 15: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

This house normally cost $350 000.

• The shop offers a 5% discount.

• How much do you save if you buy this house?

• How much do you pay if you buy this house?

Page 16: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

After washing a 2.56 m length of material

decreases in length by 7%.

• What is the new length?

Page 17: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

A farmer has 2 486 lambs at the start of the season.

14% die due to bad weather.

• How many lambs die?

• How many lambs survive?

Page 18: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

A farmer has 216 calves.

54% are male.• How many male calves are there?

• How many female calves are there?

Page 19: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

An orchard has 23 400 apples.

19.3% spoil in a hail storm.

• How many are spoiled?

• How many are left?

Page 20: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

Increases

Page 21: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

A camera costs a shop owner $426.

The shop owner increases the price by 35%.

• How much is the mark up?

• How much does a customer pay?

Page 22: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

A TV costs a shop owner $698.

The shop owner increases the price by 41%.

• How much is the mark up?

• How much does a customer pay?

Page 23: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

A washing machine costs a shop owner $725.

The shop owner increases the price by 30%.

• How much is the mark up?

• How much does a customer pay?

Page 24: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

An armchair costs a shop owner $325.

The shop owner increases the price by 25%.

• How much is the mark up?

• How much does a customer pay?

Page 25: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

A table costs a shop owner $895.

The shop owner increases the price by 27%.

• How much is the mark up?

• How much does a customer pay?

Page 26: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

A fridge costs a shop owner $598.

The shop owner increases the price by 42%.

• How much is the mark up?

• How much does a customer pay?

Page 27: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

A mower costs a shop owner $376.

The shop owner increases the price by 27%.

• How much is the mark up?

• How much does a customer pay?

Page 28: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

Solve these problems.

• What is the selling price of a jar of coffee if the cost price is $10 and the markup is 15%?

• What is the selling price of a bottle of hair shampoo if the cost price is $1.56 and the markup is 20%?

• $11.50

• $1.87 or $1.90

Page 29: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

Solve these problems.

• What is the selling price of a packet of biscuits if the cost price is $1.55 and the markup is 34%?

• What is the selling price of a tube of toothpaste if the cost price is $0.70 and the markup is 45%?

• $2.08 or $2.10

• $1.01 or $1.00

Page 30: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

Solve these problems.

• A tin of salmon sells for $1.65. If the markup is 10%, how much did the salmon cost?

• If a set of glasses is marked up by 30% and sells for $9.35, what did it cost?

• $1.50

• $12.15

Page 31: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

Solve these problems.

• A shirt is marked up by 40% and sells for $51.80. What did it cost?

• Find the cost price of a bike if it sells for $53.25 and the markup is 50%?

• $37

• $35.50

Page 32: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

Percentage in practice

Manufacturer’s cost price

Manufacturer’s profit

Wholesaler’s

profit

Retailer’s

profit

$1 000 25% 10% 10%

80c 50% 50% 50%

$4 20% 10% 25%

$27 33% 30% 40%

$10 000 5% 10% 25%

Page 33: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

Percentage in practice

Wholesaler’s price

Retailer’s profit

GST Price in the shop

$1 500 25% 12.5%

70c 50% 12.5%

$5.60 20% 12.5%

$25.80 33% 12.5%

$10 982 5% 12.5%

Page 34: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

Discount in the shop

Price in the shop

Discount Price you pay

$1 700 25%

95c 50%

$4.65 20%

$37.80 33%

$54 432 5%

Page 35: Percentages Discounts. Convert to decimals 1.30% 2.4% 3.525% 4.42% 5.6.5% 6.456% 7.7.2% 1.0.3 2.0.04 3.5.25 4.0.42 5.0.065 6.4.56 7.0.072.

Mr Harrison earns $540 per week but he has to

pay $126 in tax.What percentage of his income does he pay in tax?