Percent Proportions and Percent Change and Error

Tickets to Disney World are $100.The price is going to increase on January 1. What is the percent of change if the cost increases to a $120?

• 25%

• 18%

• 20%

• 50%

Tags

CCSS.6.RP.A.3C

Last year the enrollment at Clark Middle School was 465 students. This year the enrollment is 525 students. What is the percent of increase? Round to the nearest percent.

• 113%

• 100%

• 13%

• 87%

Tags

CCSS.6.RP.A.3C

What is 30% of 450?

• 30

• 135

• 450

• 100

Tags

CCSS.6.RP.A.3C

82% of what is 95?

• 115.9

• 77.9

• 100

• 112

Tags

CCSS.6.RP.A.3C

The distance around a neighborhood is 6 miles. When Sam clocked it with an odometer, the distance was 5.52 miles.

What is the percent error of the clocking?

• 10%

• 6.5%

• 7%

• 8%

Tags

CCSS.6.RP.A.3C

Last week, you finished level 2 of a video game in 32 minutes. Today, you finished level 2 in 28 minutes. What is your percent of change?

• Increase 12.5%

• Decrease 12.5%

• Increase 4%

• Decrease 4%

Tags

CCSS.Math.Content.7.RP.A.3

Last week, you finished level 2 of a video game in 32 minutes. Today, you finished level 2 in 28 minutes. What is your percent of change?

• Increase 12.5%

• Decrease 12.5%

• Increase 4%

• Decrease 4%

Tags

CCSS.Math.Content.7.RP.A.3

If 45% of a number is 90, what is the number?

• 150

• 200

• 250

• 300

Tags

CCSS.6.RP.A.3C

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

• 150

• 75

• 200

• 120

Tags

CCSS.6.RP.A.3C

If 60% of a number is 72, what is the number?

• 110

• 120

• 84

• 96

Tags

CCSS.6.RP.A.3C