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A round swimming pool has a circumference of 66 feet. Carlos wants to buy a rope to put across the diameter of the pool. The rope costs s0.45 per foot, and Carlos needs 4 feet more than the diameter of
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A round swimming pool has a circumference of 66 feet. Carlos wants to buy a rope to put across the diameter of the pool. The rope costs s0.45 per foot, and Carlos needs 4 feet more than the diameter of the pool.How much will Carlos pay for the rope?

User Edwin Joassart
by
8.3k points

1 Answer

3 votes
C = pi d
66 = pi d
d = 21ft

(21 x 0.45) + 4(0.45)
9.45 + 1.8
11.25

Carlos will pay $11.25 for the rope.
User Dierdre
by
8.9k points
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