Solve the problem.
-Tom is going to build a fence around his garden which is a rectangle measuring $8 \mathrm{~m}$ by $20 \mathrm{~m}$. He will first put in posts which will be $4 \mathrm{~m}$ apart. If the posts cost $\$ 5.50$ each, what will be the total cost for all the posts?
A) $\$ 77.00$
B) $\$ 38.50$
C) $\$ 66.00$
D) $\$ 55.00$

Question

Quizplus · Accepted Answer

The perimeter of the rectangle is $2(8 + 20) = 56 \mathrm{~m}$. Posts are placed every $4 \mathrm{~m}$, so $56 / 4 = 14$ posts are needed. Each post costs $\$ 5.50$, so the total cost is $14 \times 5.50 = \$ 77.00$.

Solve the Problem 8 m8 \mathrm{~m}8 m By 20 m20 \mathrm{~m}20 m He Will First Put in Posts Which Will Be

Solve the Problem $8 \mathrm{~m}$ By $20 \mathrm{~m}$ He Will First Put in Posts Which Will Be