Week 1 Review

Front

Express 11/50 as a percent.

Back

22%

Front

Solve the proportion: 5/20 = k/80. What is k?

Back

k=20

Front

It snowed 14 inches in 5 hours. What is the unit rate in inches per hour?

Back

2.8 inches per hour

Front

Jack jumps 40 times in 4 minutes. How many times does he jump per minute?

Back

10 times per minute

Front

Write 19/25 as a percent.

Back

76%

Front

What is the formula to convert a fraction to a percent?

Back

(Numerator/Denominator) x 100

Front

Define 'unit rate'.

Back

A unit rate is a comparison of two different quantities when they are combined together.

Front

If a car travels 150 miles in 3 hours, what is the speed in miles per hour?

Back

50 miles per hour

Front

What is the relationship between fractions and decimals?

Back

Fractions can be converted to decimals by dividing the numerator by the denominator.

Front

How do you find the percent of a number?

Back

Multiply the number by the percent (as a decimal).