a certain fraction is equivalent to 2/3. if 3 is added to numerator and 1 is added to denominator, fraction is equivalent to 3/4. what's the numerator of original fraction?

17

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27

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- Aug 13th 2011, 02:51 PMRK29SAT question
a certain fraction is equivalent to 2/3. if 3 is added to numerator and 1 is added to denominator, fraction is equivalent to 3/4. what's the numerator of original fraction?

17

18

22

24

27 - Aug 13th 2011, 02:53 PMe^(i*pi)Re: SAT question
$\displaystyle \dfrac{2x+3}{3x+1} = \dfrac{3}{4}$

Solve for**2x**, not x (so discard 17 and 27 immediately)