5 men are equal to as many women as are equal to 7 boys . all of them earn rs . 90 only . men ’ s wages are ?
5 m = xw = 7 b 5 m + xw + 7 b - - - - - 90 rs . 5 m + 5 m + 5 m - - - - - 90 rs . 15 m - - - - - - 90 rs . = > 1 m = 6 rs . answer : c
divide(90, multiply(const_3, 5))