6.4 - Percent of Change

You spent 4 hours studying on Saturday and 10 hours studying on Sunday.

What is the percent of change in your time spent studying from Saturday to Sunday?

• 0.6%

• 1.5%

• 60%

• 150%

In October, the average temperature was 53°F. In November, the average temperature was 37°F.

What was the percent of change from October to November?

• 0.302%

• 0.423

• 30.2%

• 43.2%

Find the percent of change. Round to the nearest tenth of a percent if necessary.

3.2 miles to 2.4 miles

• decrease; 25%

• decrease; 33%

• increase; 25%

• increase; 33%

Tags

CCSS.6.RP.A.3C

Find the percent of change. Round to the nearest tenth of a percent if necessary.

41 hours to 85 hours

• increase; 51.8%

• increase; 107.3%

• decrease; 51.8%

• decrease; 107.3%

Tags

CCSS.6.RP.A.3C

Find the percent of change. Round to the nearest tenth of a percent if necessary.

24 pounds to 15 pounds

• decrease; 37.5%

• decrease; 60%

• increase; 37.5%

• increase; 60%

Tags

CCSS.6.RP.A.3C

Find the percent of change. Round to the nearest tenth of a percent if necessary.

55 employees to 66 employees

• increase; 1.7%

• increase; 2%

• increase; 16.7%

• increase; 20%

Tags

CCSS.6.RP.A.3C

Increase 68 by 75%

• 51

• 119

• 136

• 143

Decrease 125 by 60%

• 50

• 65

• 75

• 218.75

You estimate that there are 45 marbles in a jar. The actual amount is 82 marbles.

Find the percent error. Round to the nearest tenth of a percent.

• 45.1%

• 46.5%

• 54.8%

• 186.7%

You estimate that your brother weighs 68 pounds. He actually weighs 62 pounds.

Find the percent error. Round to the nearest tenth of a percent.

• 8.8%

• 9.7%

• 11.4%

• 91.2%