

1. 
Solve . 


A. 
2.5 
B. 
320 


C. 
40 
D. 
10 


Hint 


2. 
Solve . 


A. 
20 
B. 
25 


C. 
35 
D. 
30 


Hint 


3. 
Is a proportion? Explain. 


A. 
No, because 2 × 9 8 × 3. 


B. 
Yes, because 2 × 9 = 8 × 3. 


C. 
Yes, because 2 × 3 = 8 × 9. 


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


Hint 


4. 
Kira has a 17.5gallon gasoline tank in her car. She feels comfortable driving until she only has one gallon left, and then she fills up her tank again. If she starts with a full tank and then travels 182 miles on her first 7 gallons of gas, how much farther can she go before she only has one gallon of gasoline left in her tank? 


A. 
247 
B. 
123.5 


C. 
200 
D. 
365 


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 


