

1. 
The price of a computer system at an electronics store is $1099. Determine the percent of change in price if the computer system sold for $1349 a month earlier. 


A. 
18.5% decrease 
B. 
22.7% increase 


C. 
22.7% decrease 
D. 
18.5% increase 


Hint 


2. 
The average price for gasoline rose from $2.85 to $3.24 in one day. Find the percent increase. 


A. 
13.7% 
B. 
39% 


C. 
12% 
D. 
21.4% 


Hint 


3. 
Al's Quick Mart sells milk for $1.99 per gallon, but they used to sell it for $2.79. What is the percent decrease in the price? 


A. 
28.70% 
B. 
39.70% 


C. 
40.20% 
D. 
71.30% 


Hint 


4. 
In 1990, an automobile dealership sold a certain model car for $14,649. In 2000, they sold the same model car for $23,609. Find the percent increase. 


A. 
62.00% 
B. 
38.00% 


C. 
24.60% 
D. 
61.20% 


Hint 


5. 
In May, there were 157 people living in Kristin's neighborhood. By August, the population had increased 21%. How many people were in Kristin's neighborhood by August? 


A. 
190 
B. 
33 


C. 
1900 
D. 
330 


Hint 


