Linear Equation word problem - StudentOfFortune.com

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$1.00 Linear Equation word problem

From Mathematics: Algebra
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Due on Feb. 10, 2010
Asked on Feb 07, 2010 at 1:44:20PM

Q:

Pure acid is to be added to a 10% acid solution to obtain 54l of a 20% solution. What amounts of each should be used?

This is a system of a linear equation.

Thanks for your help.

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ramonanadasan

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$1.00 System of Equations

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Posted on Feb 07, 2010 at 1:53:13PM

A:
Preview: ... and X+Y=54 you can take X=54-y and replac ...

The full tutorial is about 42 words long .

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Deoriatutor
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$1.00 Linear Equation word problem

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Posted on Feb 07, 2010 at 1:58:29PM

A:
Preview: ... ERE ...

The full tutorial is about 4 words long plus attachments.

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SOLUTION321.docx (10K) (Preview)

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profrononlinetutor
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Posted on Feb 07, 2010 at 2:09:18PM

A:
Preview: ... nal solution = acid content of pure amount + acid content of 10% solution .20(54) = x + .10(54-x) 10.8 = x + 5.4 - .10x 5.4 = .9x x= 6 l 54- x = 48 l So the mixt ...

The full tutorial is about 165 words long .