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\$0.75Word problem with ratio

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Q:

The denominator of a fraction is 4 less than twice the numerator.  If 3 added to both the numerator and denominator, the new fraction is equal to 2/3.  What is the original fraction?  The answer is 11/18, but I don't know how to set up the problem.

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• Posted on Nov 14, 2009 at 12:32:52PM
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Preview: ... /(y+3) = 2/3 3(x+3) = 2(y+3) 3x+9 = 2y + 6 2y = 3 ...

The full tutorial is about 50 words long .

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FULL WORK SHOWN
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• Posted on Nov 14, 2009 at 12:35:48PM
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Preview: ... 3x -2( 2x -4) =-3     (putting the value of y from eqn(1)) so 3x -4x + 8= ...

The full tutorial is about 63 words long .

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its very simple one
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• Posted on Nov 14, 2009 at 12:42:59PM
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Preview: ... Then 3x+9=4x-2 or, x=11 So the numerator i ...

The full tutorial is about 31 words long .

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Ratios are easy.Always take the required as x.
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• Posted on Nov 14, 2009 at 1:25:58PM
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