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$0.75 Word problem with ratio

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BrettD
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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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Solution Step By Step
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  • Posted on Nov 14, 2009 at 12:32:52PM
Posted by :
mathpro2009
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A:
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
Posted by :
bibhupada
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A:
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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partho
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A:
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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mukul85
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A:
Preview: ... a value its best that we assume it as some variable like x,y,a,b anything with which you are comfortable with.... Now here,let the numerator of the original fraction be 'x'.......Then since its given that the denominator is 4 less than twice of ...
The full tutorial is about 174 words long .