If the numerator and denominator of the fraction
4
9 are both increased by a certain
value, m, the fraction then becomes equal to
3
4�. Calculate this value.
(4+x)/(9+x) = 3/4
16 + 4 x = 27 + 3 x
x = 11
check
(4+11)/(9+11)
15/20
3/4 yes