

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% decrease 


C. 
22.7% increase 
D. 
18.5% increase 


Hint 


2. 
After changing its format, a radio station lost 34% of its listeners. If there were an estimated 83,000 listeners originally, how many listeners does the radio station have now? 


A. 
54,780 
B. 
125,758 


C. 
28,220 
D. 
49,000 


Hint 


3. 
The average price for gasoline rose from $2.85 to $3.24 in one day. Find the percent increase. 


A. 
12% 
B. 
13.7% 


C. 
21.4% 
D. 
39% 


Hint 


4. 
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. 
39.70% 
B. 
40.20% 


C. 
28.70% 
D. 
71.30% 


Hint 


5. 
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. 
24.60% 
B. 
62.00% 


C. 
38.00% 
D. 
61.20% 


Hint 


