

1. 
Solve the equation shown by the model. 





A. 
x = 4 
B. 
x = 6 


C. 
x = 3 
D. 
x = 15 


Hint 


2. 
Solve 5x = 40. 


A. 
9 
B. 
8 


C. 
35 
D. 
6 


Hint 


3. 
African elephants can weigh up to 16,500 pounds. They weigh about 1.5 times more than Indian elephants. Use the equation 1.5w = 16,500 to find the weight of the Indian elephant. 


A. 
8,250 lbs 
B. 
12,500 lbs 


C. 
14,000 lbs 
D. 
11,000 lbs 


Hint 


4. 
Teresa is competing in a bicycle race which is 12 miles long. If her speed is an average of 3 miles per hour, how long will it take her to finish the race? Use the equation d = rt where d is the distance in miles, r is the average speed in miles per hour, and t is the time in hours. 


A. 
4 hours 
B. 
3 hours 


C. 
2.5 hours 
D. 
3.5 hours 


Hint 


5. 
One gallon is four times as much as one quart. A gallon of water weighs about eight pounds. Use the equation 4q = 8 to find out about how much a quart of water weighs. 


A. 
2 pounds 
B. 
4 pounds 


C. 
8 pounds 
D. 
1 pounds 


Hint 


