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Source: GMAT Prep According to the directions on a can of

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Source: GMAT Prep According to the directions on a can of [#permalink]

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New post 21 Sep 2007, 21:07
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Source: GMAT Prep

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. 60
D. 67
E. 100
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Re: PS: Orange Juice [#permalink]

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New post 21 Sep 2007, 21:14
Hang Tuah wrote:
Source: GMAT Prep

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. 60
D. 67
E. 100


so if we have a glass of ornage juice it has 1 part concentrate and 3 parts water. or ratio of concentrate to juice is 1:4.

now 200 6 ounce servings is same as 100 12 ounce servings.

so 1:4 = x : 100

or x = 25
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Re: PS: Orange Juice [#permalink]

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New post 21 Sep 2007, 23:56
Hang Tuah wrote:
Source: GMAT Prep

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. 60
D. 67
E. 100


Someone else just posted this one.

Ok so there are 200 6 ounce servings. thus a total of 6*200 or 1200oz.

Now the ratio of Conc. Orange Juice to water is 1/3. realize that there is an unknown multiplier and we can say that x+3x=1200. or 4x=1200. Thus x=300ounces. So to figure out how many 12oz cans we need we simply divide 300 by 12. 300oz/12oz can = 25cans.

Ans A.
Re: PS: Orange Juice   [#permalink] 21 Sep 2007, 23:56
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