Multiple choice

1. Find the value of y in the formula y = 5a - 3b + c, if a = 12, b = 4, and c = 8. 

A. 40 

B. 56 

C. 64 

D. 80 

2. You want to apply a weed killer to your lawn. The directions on the bottle call for mixing 3 ounces of the weed killer with 2 gallons of water. The sprayer you have holds 5 gallons. In order to completely fill the sprayer with a proper mixture, how many ounces of weed killer must you use? 

A. 31/3 

B. 52/3 

C. 71/2 

D. 61/5 

3. Fractions can be added and subtracted only if they're _______ fractions. 

A. proper 

B. improper 

C. like 

D. unlike 

4. What is the product of 2/8 and 3/5? 

A. 5/13 

B. 3/20 

C. 5/12 

D. 7/11