

1. 
Solve . 


A. 
40 
B. 
2.5 


C. 
10 
D. 
320 


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. 
27 min 


C. 
42 min 
D. 
49 min 


Hint 


3. 
Solve 


A. 
7 
B. 
6 


C. 
4.5 
D. 
4 


Hint 


4. 
Solve = . 


A. 
121.5 
B. 
6 


C. 
24 
D. 
12 


Hint 


5. 
Determine whether = form a proportion. Explain. 


A. 
No, because 8 × 15 ? 10 × 12. 
B. 
Yes, because 8 × 15 = 10 × 12. 


C. 
Yes, because 8 × 12 ? 10 × 15. 
D. 
No, because the ratios are not equal. 


Hint 


