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If 75 gallons of water were added to a pool that is half full, the poo

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Math Expert
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Joined: 02 Sep 2009
Posts: 58391
If 75 gallons of water were added to a pool that is half full, the poo  [#permalink]

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New post 09 Apr 2018, 02:09
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

89% (01:04) correct 11% (01:18) wrong based on 45 sessions

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Senior PS Moderator
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Status: It always seems impossible until it's done.
Joined: 16 Sep 2016
Posts: 737
GMAT 1: 740 Q50 V40
GMAT 2: 770 Q51 V42
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Re: If 75 gallons of water were added to a pool that is half full, the poo  [#permalink]

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New post 09 Apr 2018, 02:15
Bunuel wrote:
If 75 gallons of water were added to a pool that is half full, the pool would then be 2/3 full. How many gallons of water does the pool hold when it is full?

A. 300
B. 360
C. 420
D. 450
E. 525


75 Gallons is the difference between pool being 2/3 full from being 1/2 full.

2/3 - 1/2 = 1/6 th of the pool is 75 gallons

So whole pool is 75*6 = 450 Gallons.

Hence Option (D) is our answer.

Best,
Gladi
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Gladi



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Re: If 75 gallons of water were added to a pool that is half full, the poo   [#permalink] 09 Apr 2018, 02:15
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If 75 gallons of water were added to a pool that is half full, the poo

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