348 PercentFind each percent of change. Round to the nearest whole percent if
necessary. State whether the percent of change is an increase or a decrease.Examples 1 and 2- 30 inches to 24 inches 2. 20.5 meters to 35.5 meters
- $126 to $150 4. $75.80 to $94.75
- SOCCER The table shows the number of youth Playing Soccer
Year Number (millions)
2000 12.9
2002 13.7
2004 13.3
2006 14.0
2007 13.8
7 years and older who played soccer from 2000
to 2007.
a. Find the percent of change from 2004 to- Round to the nearest tenth of a percent.
Is it a change of increase or decrease?
b. Find the percent of change from 2002 to - Round to the nearest tenth of a percent.
Is it a change of increase or decrease?
= Step-by-Step Solutions begin on page R1.
Extra Practice begins on page EP2.Find each percent of change. Round to the nearest whole percent if
necessary. State whether the percent of change is an increase or a decrease.Examples 1 and 2- 15 yards to 18 yards 7. 100 acres to 140 acres
- $12 to $6 9. 48 notebooks to 14 notebooks
- 125 centimeters to 87.5 centimeters 1111 $15.60 to $11.70
- 1.6 hours to 0.95 hour 13. 132 days to 125.4 days
- $240 to $320 15. 624 feet to 702 feet
Find each percent of change. Round to the nearest whole percent if
necessary. State whether the percent of change is an increase or a decrease.- BOOKS On Monday, Kenya spent 60 minutes reading her favorite book.
Today, she spent 45 minutes reading this book. - EXERCISE Three months ago, Santos could walk 2 miles in 40 minutes.
Today he can walk 2 miles in 25 minutes. - SCHOOL Last school year the enrollment of Genoa Middle School was
465 students. This year the enrollment is 525. - MONEY Jake had $782 in his checking account. He now has $798.
- MEASUREMENT Refer to the rectangle at the right.
2 in.4 in.
Suppose the side lengths are doubled.
a. Find the percent of change in the perimeter.
b. Find the percent of change in the area.B345_363_C06_L3_895130.indd 348 12/30/09 4:08 PM