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# GMAT Prep q-n. According to the direction on a can of frozen

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Manager
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GMAT Prep q-n. According to the direction on a can of frozen [#permalink]  28 Oct 2007, 16:53
GMAT Prep q-n.
According to the direction on a can of frozen orange juice cocentrate, 1 can concentrate is to be mixed with 3 cans of water to amke an orange juice. How many 12-ounce cans of the concentrate are required to prepare 200 6-ounces serving of orange juice?
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Manager
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Ratio is 1:3 concentrate to water
200*6 ounce cans = 1200 ounces

1200/3 = 400 ounces of concentrate
400/12 = 33.3 cans 12oz

So 34 cans
Manager
Joined: 05 Sep 2007
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yuefei wrote:
Ratio is 1:3 concentrate to water
200*6 ounce cans = 1200 ounces

1200/3 = 400 ounces of concentrate
400/12 = 33.3 cans 12oz

So 34 cans

The right answer is not 34 .
Director
Joined: 11 Jun 2007
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Re: Mixture [#permalink]  28 Oct 2007, 18:07
el1981 wrote:
GMAT Prep q-n.
According to the direction on a can of frozen orange juice cocentrate, 1 can concentrate is to be mixed with 3 cans of water to amke an orange juice. How many 12-ounce cans of the concentrate are required to prepare 200 6-ounces serving of orange juice?

1 concentrate : 3 parts water
x: 3x

200*6 = 1200

x + 3x = 1200
4x = 1200
x = 300 oz of concentrate ( what we are looking for)
3x = 900 oz of water

300 / 12 = 25 cans
Manager
Joined: 05 Sep 2007
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Location: New York
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el1981 wrote:
yuefei wrote:
Ratio is 1:3 concentrate to water
200*6 ounce cans = 1200 ounces

1200/3 = 400 ounces of concentrate
400/12 = 33.3 cans 12oz

So 34 cans

The right answer is not 34 .

Great! I got it. Thank you so much.
CEO
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Re: Mixture [#permalink]  28 Oct 2007, 20:50
el1981 wrote:
GMAT Prep q-n.
According to the direction on a can of frozen orange juice cocentrate, 1 can concentrate is to be mixed with 3 cans of water to amke an orange juice. How many 12-ounce cans of the concentrate are required to prepare 200 6-ounces serving of orange juice?

Since 1 can is equal to 12 ounces we have 12x+36x=200*6

48x=1200

x=25.
Director
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Re: Mixture [#permalink]  29 Oct 2007, 01:52
el1981 wrote:
GMAT Prep q-n.
According to the direction on a can of frozen orange juice cocentrate, 1 can concentrate is to be mixed with 3 cans of water to amke an orange juice. How many 12-ounce cans of the concentrate are required to prepare 200 6-ounces serving of orange juice?

Concentrate = 1/4
Juice = 3/4

Total = 200*6 = 1200 oz.

Concentrate required = 1/4 * 1200 = 300 oz.

1 can gives 12 oz so to get 300 oz. we need 300/12 = 25 cans
Manager
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Re: Mixture [#permalink]  29 Oct 2007, 10:40
el1981 wrote:
GMAT Prep q-n.
According to the direction on a can of frozen orange juice cocentrate, 1 can concentrate is to be mixed with 3 cans of water to amke an orange juice. How many 12-ounce cans of the concentrate are required to prepare 200 6-ounces serving of orange juice?

6 ounce x 200 =1200 ounce

12 ounce (concentrate) + 36 ounce (3 times of water) =48

1200/48 = 25

so you need 25 cans of concentrate
Re: Mixture   [#permalink] 29 Oct 2007, 10:40
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