A rectangle swimming pool is 6 feet deep. One side of the pool is 2.5 times larger than other. The amount of water needed to build a swimming pool is 2940cubic feet. find a dimensions of the pool .
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Given
h= 6ft
l= 2.5b
b = b
volume of water = 2940ft³
volume of pool = volume of water
2.5b × b × 6 = 2940
15b² = 2940
b² = 2940 ÷ 15
b² = 196
b = √196
b = 14ft
if b = 14ft,
hence l = 2.5b
= 2.5 × 14
= 35ft
hence, l = 35ft
b = 14ft
h= 6ft
l= 2.5b
b = b
volume of water = 2940ft³
volume of pool = volume of water
2.5b × b × 6 = 2940
15b² = 2940
b² = 2940 ÷ 15
b² = 196
b = √196
b = 14ft
if b = 14ft,
hence l = 2.5b
= 2.5 × 14
= 35ft
hence, l = 35ft
b = 14ft
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