2-9 Percents. What: Variable (x) Is: equals sign (=) Of: Multiply.
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Transcript of 2-9 Percents. What: Variable (x) Is: equals sign (=) Of: Multiply.
2-9 Percents
What: Variable (x)
Is: equals sign (=)
Of: Multiply
Problem 2: Finding a Percent using the Percent Equation
What percent of 56 is 42?
What percent of 90 is 54?
Problem 3: Finding a Part
A dress that normally costs $38.50 is on sale for 30% off. What is the sale price of the shirt?
Problem 3: Finding a Part
What is 72% of 150?
What is 20% of 3?
Problem 4: Finding a Base
125% of what number is 17.5?
30% of what number is 12.5?
Simple Interest Formula
Problem 5: Using the Simple Interest Formula
If you invest $50 at a simple interest rate of 3.5% per year for 3 years, how much interest do you earn?
Problem 5: Using the Simple Interest Formula
You deposit $125 in a savings account that earns a simple interest rate of 1.75% per year. You earned a total of $8.75 in interest. For how long was your money in the account?