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555-605 (Medium)|   Geometry|      
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Bunuel
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The water level in rectangular swimming pool measuring 60 feet by 25 06 Dec 2017, 04:22
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E
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Question Stats:

71% (01:50) correct 29% (01:55) wrong based on 68 sessions

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The water level in 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 cubic foot = 7.5 gallons and 1 foot = 12 inches)

(A) 100
(B) 250
(C) 750
(D) 1,200
(E) 5,625
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E
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The water level in rectangular swimming pool measuring 60 feet by 25 06 Dec 2017, 04:50
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Bunuel
The water level in 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 cubic foot = 7.5 gallons)

(A) 100
(B) 250
(C) 750
(D) 1,200
(E) 5,625
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Hi Bunuel,

Should it be "lowered by 6 inches feet?..Please correct me if i am wrong
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Bunuel
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The water level in rectangular swimming pool measuring 60 feet by 25 06 Dec 2017, 04:55
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Luckisnoexcuse
Bunuel
The water level in 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 cubic foot = 7.5 gallons)

(A) 100
(B) 250
(C) 750
(D) 1,200
(E) 5,625

Hi Bunuel,

Should it be "lowered by 6 inches feet?..Please correct me if i am wrong
Show more

I think all is correct there.
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The water level in rectangular swimming pool measuring 60 feet by 25 06 Dec 2017, 05:00
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Bunuel
The water level in 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 cubic foot = 7.5 gallons and 1 foot = 12 inches)

(A) 100
(B) 250
(C) 750
(D) 1,200
(E) 5,625
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6 inch = 0.5 foot

Volume removed = 60 * 25 * 0.5 = 750 cubic foot
In gallons = 750 * 7.5 = 5625 Gallons

E
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The water level in rectangular swimming pool measuring 60 feet by 25 06 Dec 2017, 07:57
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6 inch = 1/2 foot

Volume to be removed = 60 * 25 /2 = 750 cubic foot
In gallons = 750 * 7.5 = 5625 Gallons

Hence, answer is E
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The water level in rectangular swimming pool measuring 60 feet by 25 08 Dec 2017, 13:40
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Volume drop in cubic feet= 60x25x0.5 = 750 cubic feet.

Given, one cubic feet= 7.5 gallons.

Therefore, 750 cubic feet= 750x7.5= 5625 gallons.

Ans E

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The water level in rectangular swimming pool measuring 60 feet by 25 29 Jul 2024, 05:52
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