Name: 
 

8-3b Percent Increase/Decrease



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

Jeffery made a graph to show his weight loss from January to November.  Jeffery weighed 180 pounds in January. His weight decreased by 30% from January to November.  Complete the graph to show how much Jeffery weighs in November. 
mc001-1.jpg
A
54 pounds
C
154 pounds
B
200 pounds
D
126 pounds
 

 2. 

The price of a pair of sneakers was $168.  The price decreased to $119.  What was the percent in decrease of the sneakers?  Round your answer to the nearest whole percentage.
A
29%
C
49%
B
30%
D
19%
 

 3. 

A food company reduces the amount of fat in their chips from 10 grams to 4 grams.  What is the percent in the amount of fat in these chips?
A
40%
C
60%
B
50%
D
70%
 

 4. 

Donnie planted 4 tomato plants the first week of spring.  He planted 11 tomato plants the second week of spring.  What was the percent increase in the number of insects Donnie planted from the first week to the second week?  Round your answer to the nearest whole number. 
A
17%
C
100%
B
75%
D
175%
 



 
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