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What is x in terms of y and z?

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What is x in terms of y and z?

by Ahmed MS » Thu Jun 16, 2011 10:19 pm
Three grades of milk: 1%, 2%, and 3% fat by volume. X gallons of 1%, y gallons of 2%, and z gallons of 3% are mixed to give x + y + z gallons of 1.5%. What is x in terms of y and z?

a. y + 3z
b. (y + z)/4
c. 2y + 3z
d. 3y + z
e. 3y + 4z

The answer is A. Failed to understand!

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by Frankenstein » Thu Jun 16, 2011 10:22 pm
Hi,
You can refer to:
https://www.beatthegmat.com/mixtures-t83395.html
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by amit2k9 » Fri Jun 17, 2011 3:17 am
has been discussed a lot of times.
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by thephoenix » Fri Jun 17, 2011 5:23 am
eqn will be
X+2Y+3z=1.5*(X+Y+Z)

solving X=y+3z
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by Ahmed MS » Fri Jun 17, 2011 6:12 am
amit2k9 wrote:has been discussed a lot of times.

Dear Amit,

As I am new in the Forum, most of the discussion I may have missed. Thanks for your help.

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by Frankenstein » Fri Jun 17, 2011 6:24 am
Ahmed MS wrote:
amit2k9 wrote:has been discussed a lot of times.

Dear Amit,

As I am new in the Forum, most of the discussion I may have missed. Thanks for your help.

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Hi,
Please use the BTG search engine at the right-top of the page. That will save you time.
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by Ahmed MS » Fri Jun 17, 2011 7:17 am
Thanks Amit. That would be a great help, indeed!

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