9 men are equal to as many women as are equal to 7 boys . all of them earn rs . 216 only . men ’ s wages are ?
"9 m = xw = 7 b 9 m + xw + 7 b - - - - - 216 rs . 9 m + 9 m + 9 m - - - - - 216 rs . 27 m - - - - - - 216 rs . = > 1 m = 8 rs . answer : d"
divide(216, multiply(const_3, 9))