Percent of Change

1. 6.7 percent change
December 12, 2013
Bellwork
Write each decimal as a percent.
1) 0.46
2) 2.47
3) 0.03
Objective: find percent increase and decrease
Feb 12­2:10 PM
HW pg. 318 #6­36 evens
1

2. 6.7 percent change
Percent Change =
December 12, 2013
amount of change
original amount
Find the percent increase from 4 to 7.5.
Find the percent increase from 100 to 114.
Feb 12­2:11 PM
HW pg. 318 #6­36 evens
2

3. 6.7 percent change
December 12, 2013
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 2000
88
121
152
205
232
million million million million million
tons tons
tons
tons
tons
Feb 15­9:40 AM
HW pg. 318 #6­36 evens
3

4. 6.7 percent change
December 12, 2013
Find the percent decrease from 1,500 to 1,416.
Find the percent decrease from 854.5 to 60.6.
Feb 15­9:43 AM
HW pg. 318 #6­36 evens
4

5. 6.7 percent change
December 12, 2013
Find the percent change. Tell whether is is an increase or decrease.
from 50 to 45
from 12 to 15
Feb 15­9:46 AM
HW pg. 318 #6­36 evens
5

6. 6.7 percent change
December 12, 2013
HW pg. 318 6­36 evens
Feb 15­9:45 AM
HW pg. 318 #6­36 evens
6