Question

A 3 foot-wide wood deck will be built around a rectangular-shaped pool that measures 15 feet by 30 feet. The resulting shape is also rectangular. If the lumber cost $10 per square yard, what is the cost of the wood for the deck?

Answer 1

The answer is $1500.00

`\begin{gathered} \text{Area of the rectangular shped pool=L}* B \\ \text{Area}=30*15=450ft^2 \\ \text{Note: 3 f}eet=1\text{ yard} \\ So,\text{ }(450)/(3)=150persquare\text{ yards} \\ 150\text{ Yards =10}*150=\text{ \$1500.00} \end{gathered}`