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# The water level in a rectangular swimming pool measuring 60

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Manager
Joined: 25 Aug 2004
Posts: 171
Location: MONTREAL
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The water level in a rectangular swimming pool measuring 60 [#permalink]  15 Dec 2004, 06:48
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The water level in a rectangular swimming pool measuring 60 feet by 25 feet is to be lowered by 6 inches. How many gallons of water must be removed? ( 1 cu ft = 7.5 gallons)

(A) 100
(B) 250
(C) 750
(D) 1200
(E) 5625
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Joined: 30 Oct 2004
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Re: PS- Gallons of water question... [#permalink]  15 Dec 2004, 07:16
mbassmbass04 wrote:
The water level in a rectangular swimming pool measuring 60 feet by 25 feet is to be lowered by 6 inches. How many gallons of water must be removed? ( 1 cu ft = 7.5 gallons)

(A) 100
(B) 250
(C) 750
(D) 1200
(E) 5625

This is a conversion prob. I go with "E"
Volume of Water to be removed = 60 x 25 x 0.5 cu.ft(since 6 inches = 0.5 foot)
vol = 750 cu.ft = 750 x 7.5 gallons = 5625 gall...
Re: PS- Gallons of water question...   [#permalink] 15 Dec 2004, 07:16
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