Calculating Percent Increase Decrease

What is the percent of change? 5 ft to 5 ½ ft

• 10% increase

• 10% decrease

• 9% increase

• 9% decrease

25 is decreased to 18. Choose the correct setup for calculating percent of change.

36 is increased to 84. Choose the correct setup for calculating percent of change.

62 is decreased to 52. Choose the correct setup for calculating percent of change.

The price of cable TV has risen over the past 20 years. What is the approximate percent increase from 1990 to 2010?

• 300%

• 280%

• 250%

• 200%

Does this question represent a percent INCREASE or a percent DECREASE?

• Increase

• Decrease

The price of cable TV has risen over the past 20 years. What is the approximate percent increase from 1990 to 2010?

• 300%

• 280%

• 250%

• 200%

A painting cost $4,563 though over a span of 5 years increased by 500%. How much does it cost now?

• $41,000

• $27,378
  

• $31,000

• $27,386

Tags

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

Holt bought a concert ticket 3 years ago for $36. This year he paid $54 for the same seats.

This change represents an ​ (a)   of ​ (b)   .

• increase

• 50%

• decrease

• 18%

• 33%

Find the percent of change 128 pounds is
increased to 155 pounds.

• 82.58%

• 21.09%

• 17.41%

• 12.09%