

1. 
Solve . 


A. 
20 
B. 
25 


C. 
30 
D. 
35 


Hint 


2. 
Cole can read 6 pages in 14 minutes. At this rate, how long will it take him to read a chapter that has 21 pages? 


A. 
9 min 
B. 
42 min 


C. 
27 min 
D. 
49 min 


Hint 


3. 
Is a proportion? Explain. 


A. 
Yes, because 2 × 3 = 8 × 9. 


B. 
No, because 2 × 9 8 × 3. 


C. 
Yes, because 2 × 9 = 8 × 3. 


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


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. 
$3 


C. 
$1.50 
D. 
$48 


Hint 


5. 
Determine whether = form a proportion. Explain. 


A. 
Yes, because 47.7 × 7 3 × 110.4. 


B. 
No, because 47.7 × 7 3 × 110.4. 


C. 
Yes, because 47.7 × 7 = 3 × 110.4. 


D. 
No, because 47.7 × 7 = 3 × 110.4. 


Hint 


