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 costs $10 per square yard, what is the cost of the wood for the deck?
Added by Katrina R.
Step 1
Since the deck is 3 feet wide and goes around the entire pool, we need to add 6 feet to each dimension of the pool (3 feet on each side). Therefore, the new length is 30 feet + 6 feet = 36 feet, and the new width is 15 feet + 6 feet = 21 feet. Show more…
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