Question
A rectangular swimming pool measures 15 meters by 10 meters. How wide must a concrete walk around the pool be if the walk is to cover an area of 116 square meters
Answers
subtract the pool from the total to get the area of the walk:
(15+2w)(10+2w) - 15*10 = 116
now just solve for w
(15+2w)(10+2w) - 15*10 = 116
now just solve for w
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