Solve the problem.
-A pest control company sprays insecticide around the perimeter of a $180 \mathrm{ft}$ by $180 \mathrm{ft}$ building. If the spray costs $\$ 0.11$ per foot, how much did the job cost to the nearest dollar?
A) $\$ 40$
B) $\$ 79$
C) $\$ 297$
D) $\$ 3564$

Question

Quizplus · Accepted Answer

The perimeter of the building is calculated as $P = 2l + 2w = 2(180) + 2(180) = 720 \mathrm{ft}$. The cost is $720 \mathrm{ft} \times \$0.11/\mathrm{ft} = \$79.20$, which rounds to \$79 to the nearest dollar.

Solve the Problem 180ft180 \mathrm{ft}180ft By 180ft180 \mathrm{ft}180ft Building If the Spray Costs

Solve the Problem $180 \mathrm{ft}$ By $180 \mathrm{ft}$ Building If the Spray Costs