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Equations PercentBrain

BustersInequalitie

s

WordProblems

Solve this equation for x.

3(4x + 2) = 2(x + 1)

-2/5

Solve for x:/ x + 4 / = 2

  

2 = x = 6

Solve for x:7x – 1 = 7(x + 2)

 

No Real Solution

Solve the following equation for r.

C = 2 r  

r = C / 2

Solve the equation for x:

2(x + 4) = 2x + 8

All Real Numbers

45 is 30% of what number?

 

150

8 is what percent of 32?

25%

Susan goes out to lunch and gives a 20% tip. The tip is $6. How

much was the meal?

$30

 

A digital camera costs $250 after a 15% discount. What was the original price of the camera?

$294.12

If a pair of pants is $55 and they are

20% off, how much do the pants cost?

 

$44

The cost of an IPad in Kentucky is $285, where the sales tax is 6%. The

same IPad in Ohio is $276, where the sales tax is 7%.

Which state has the cheaper IPad?

Ohio

Jimmy wants to sign up for an internet site to rent xbox games. Site A charges $20 plus $2 for

every game. Site B charges $12.50 plus $2.75 for every game. How many games would Jimmy have

to rent for both sites to charge the same amount?

 

40

Jack is making shirts to sell at a football game. He pays $80 for the

machine to make the shirts and pays $5 for every shirt. Jack plans on selling the shirts for $12 each. Write an equation describing his

expenditures e based on the number of shirts he sells x.

E = 5x + 80

Jack is making shirts to sell at a football game. He pays $80 for the

machine to make the shirts and pays $5 for every shirt. Jack plans on

selling the shirts for $12 each. Write an equation describing his revenue r based on the number of shirts he

sells x.

 

r = 12x

Jack is making shirts to sell at a football game. He pays $80 for the machine to make the shirts and pays $5 for every

shirt. Jack plans on selling the shirts for $12 each. How

many shirts does Jack need to sell to break even?

11.4 shirts

Solve for y:

2y – 18 < -y - 12

y < 2

Solve for y:

/ 4y + 1 / > 7

-2 > y > 3/2

Solve for y:

2/y – 1/ + 5 < -2

No Real Solution

Solve for y:

2y + 3 > 2y + 1

All Real Numbers

Solve for y:

-2(y – 10) < 6(y – 2)

y > 4

Solve for x:

x + 2 = x + 2 3 3 2 5

8/5

Twenty minutes after Jill’s little brother left home to walk to school, Jill saw that he had

forgotten his math book, and ran after him. If Jill runs four times as fast as her little brother, how

long will it take her to reach him?

6 2/3 mins

Which day/days has an absolute deviation of 800?

August 1st and 2nd

Solve for x:

5 < /x – 3/ 

-2 > x > 8

Give the equations of the two lines below:

 

y = 2 and

x = -3