Unit 3 Review

Front

Change the following percent to a decimal: 9.37%

Back

0.0937

Front

Rachel invested $2,700 in a savings account earning 7% simple interest. If she invests for 2 years, how much money will she have in total?

Back

$3,078

Front

Convert 0.875 to a fraction in simplest form.

Back

Front

The regular price of a scooter is $65.50. It is on sale for $52.40. What is the percent decrease from the regular price to the sale price of the scooter?

Back

20%

Front

The rate is given as a percent (%). Before using it in the simple interest formula, you must first convert it to a_______.

Back

decimal

Front

What is the formula for calculating simple interest?

Back

Simple Interest = Principal × Rate × Time

Front

How do you convert a decimal to a percent?

Back

Multiply the decimal by 100 and add a percent sign.

Front

What is the percent increase if a price goes from $50 to $65?

Back

30%

Front

If a student scores 80 out of 100 on a test, what is their score as a percent?

Back

80%.

Front

What is the formula to find the percent decrease?

Back

Percent Decrease = ((Original Price - Sale Price) / Original Price) × 100