a began business with rs . 36000 and was joined afterwards by b with rs . 54000 . when did b join if the profits at the end of the year were divided in the ratio of 2 : 1 ?
"36 * 12 : 54 * x = 2 : 1 x = 4 12 - 4 = 8 answer : d"
subtract(multiply(const_4, const_3), divide(divide(multiply(36000, multiply(const_4, const_3)), 54000), 2))