# SAT question

• August 13th 2011, 02:51 PM
RK29
SAT 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
• August 13th 2011, 02:53 PM
e^(i*pi)
Re: SAT question
$\dfrac{2x+3}{3x+1} = \dfrac{3}{4}$

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