Rational Numbers and Percents

If 20% of a number is 40, what is the number?

• 100

• 200

• 150

• 250

If 30% of a number is 45, what is the number?

• 150

• 75

• 200

• 120

A student scored 85% on a test with 120 questions. How many questions did the student answer correctly?

• 110

• 102

• 100

• 90

What is 2/800 as a percent?

• 0.25%

• 2.8%

• 0.0025%

• 2800%

What is 3.92 written as a percent?

• 0.0392%

• 0.392%

• 39.2%

• 392%

What is 2.4% written as a decimal?

• 0.024

• 0.0024

• 0.24

• 2.4

What is 34% expressed as a fraction?

• 13/200

• 17/80

• 21/80

• 17/50

What is 1/8 expressed as a percent?

• 0.125%

• 18%

• 1.8%

• 12.5%

What is 3/625 as a percent?

• 3.625%

• 0.48%

• 0.0048%

• 48%

Any number that can be written as a fraction

• opposite

• rational number

• absolute value