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iris [78.8K]
3 years ago
10

A rectangular swimming pool has a volume capacity of 2160 cubic feet. Water is being added to the pool at a rate of about 20 cub

ic feet per minute. Determine about how long it will take to fill the pool completely if there were already about 1200 gallons of water in the pool.
Mathematics
1 answer:
Sav [38]3 years ago
7 0
You have a rectangular pool 15 X 30 X 5 feet

The floor of the pool is 15X30 = 450 ft2
Two sides are 5X15 = 2(75) = 150 ft2
Two sides are 5X30 = 2(150) = 300 ft2

Total area to be painted: 900 ft2

(900 ft2)/(250 ft2/gal) = 3.6 gallons
Since we can't purchase .6 gallons we
must purchase 4 gallons of paint

The volume of the pool is 15X30X5 = 2250 ft3
1 ft3 = 7.48 gallons
2250(7.48) = 16,830 gallons of water
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