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# According to the directions on a can of frozen orange juice

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Manager
Joined: 21 Mar 2007
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According to the directions on a can of frozen orange juice [#permalink]

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07 Mar 2008, 03:13
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

According to the directions on a can of frozen orange juice concentrate, 1 can of concentrate is to be mixed with 3 cans of water to make orange juice. How many 12-ounce cans of the concentrate are required to prepare 200 6-ounce servings of orange juice?
A) 25
B) 34
C) 50
D) 67
E) 100
I got really confused with this problem because the question didn't state whether or not that each can of water had the same weight as the can of concentrate.
Manager
Joined: 31 Oct 2007
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Location: Frankfurt, Germany
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07 Mar 2008, 03:32
1
KUDOS
The trick is into the question - How many 12-ounce cans of the concentrate are required to prepare 200 6-ounce servings of orange juice?

What it is telling you indirectly is the size of each can of concentrated juice or water is 12 oz.

200 6oz orange juice
= 200 * 6
= 1200oz ----> equivalent to 100 cans of 12oz (1200/12)

Thus, ratio of concentrate to total cans = 1 / (1+3) ---> 1/4
No. of concentrate cans = 1/4 * 100 = 25 cans

Ans: A
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Jimmy Low, Frankfurt, Germany
Blog: http://mytrainmaster.wordpress.com
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CEO
Joined: 21 Jan 2007
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12 Mar 2008, 04:37
yea, that was tricky. we are forced to make that assumption that the capacity of the cans of concentrate are equiv to the capacity of the cans of water.

x + 3x = orange juice
x + 3x = 4x
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You tried your best and you failed miserably. The lesson is 'never try'. -Homer Simpson

Re: GMAT Prep Question   [#permalink] 12 Mar 2008, 04:37
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