6.8 percent change

HW pg. 327 #4­26 evens 1

January 17, 2012

Objective: find percent increase and decrease

BellworkWrite each decimal as a percent.

1) 0.46

2) 2.47

3) 0.03

6.8 percent change

HW pg. 327 #4­26 evens 2

January 17, 2012

Percent Change = amount of change original amount

Find the percent increase from 4 to 7.5.

Find the percent increase from 100 to 114.

6.8 percent change

HW pg. 327 #4­26 evens 3

January 17, 2012

The annual production of municipal solid waste in the United States has more than doubled since 1960. Find the percent of increase from 1960 to 1990. Municipal Solid Waste

1960 1970 1980 1990 200088 121 152 205 232million million million million milliontons tons tons tons tons

6.8 percent change

HW pg. 327 #4­26 evens 4

January 17, 2012

Find the percent decrease from 1,500 to 1,416.

Find the percent decrease from 854.5 to 60.6.

6.8 percent change

HW pg. 327 #4­26 evens 5

January 17, 2012

Find the percent change. Tell whether is is an increase or decrease.

from 50 to 45

from 12 to 15

6.8 percent change

HW pg. 327 #4­26 evens 6

January 17, 2012

HW pg. 327 #4­26 evens