Chapter 6-Percents

Front

What is the formula to calculate the percent of a number?

Back

Percent of a number = (Percent / 100) * Number.

Front

How do you convert a percent to a decimal?

Back

To convert a percent to a decimal, divide the percent by 100.

Front

What is 1% of 360?

Back

3.6

Front

What is 4% of 360? (Hint: You may want to find what 1% is first.)

Back

14.4

Front

If Amanda has finished 9 problems and this is 75% of the problems, how do you find the total number of problems?

Back

Use the proportion: 9 / x = 75 / 100, where x is the total number of problems.

Front

What is the total number of problems on Amanda's study guide if she finished 9 problems which is 75%?

Back

12 problems.

Front

What is simple interest?

Back

Simple interest is calculated using the formula: Interest = Principal x Rate x Time.

Front

If Jenna borrowed $5,000 for 3 years and paid $1,350 in interest, what is the rate of interest?

Back

9%.

Front

How do you convert a decimal to a percent?

Back

To convert a decimal to a percent, multiply the decimal by 100.

Front

What is 137% as a decimal?

Back

1.37.