A farmer uses 3 gallons of insecticide concentrate to spray each 1/2 acre of his land. How many gallons of insecticide concentrate does he need to spray 14 acres of land?
A. 84 gallons
B. 42 gallons
C. 21 gallons
D. 15 gallons
3 gallons x 2 ==6 gallons of insecticide per acre.
6 x 14 ==84 gallons of insecticide will be needed to spray 14 acres.
2*3*14=84