

1. 
Solve . 


A. 
40 
B. 
2.5 


C. 
10 
D. 
320 


Hint 


2. 
Solve . 


A. 
30 
B. 
25 


C. 
20 
D. 
35 


Hint 


3. 
Is a proportion? Explain. 


A. 
Yes, because 2 × 9 = 8 × 3. 


B. 
Yes, because 2 × 3 = 8 × 9. 


C. 
No, because 2 + 3 = 8 + 9. 


D. 
No, because 2 × 9 8 × 3. 


Hint 


4. 
At Howard's Family Grocery, you can buy 8 apples for $2.00. How much will you pay for 12 apples? 


A. 
$0.75 
B. 
$1.50 


C. 
$48 
D. 
$3 


Hint 


5. 
Determine whether = form a proportion. Explain. 


A. 
Yes, because 10.62 × 4 = 6 × 7.05. 


B. 
Yes, because 10.62 × 4 6 × 7.05. 


C. 
No, because 10.62 × 4 = 6 × 7.05. 


D. 
No, because 10.62 × 4 6 × 7.05. 


Hint 


