a , b and c invested rs . 6000 , rs . 7200 and rs . 10800 respectively , in a partnership business . find the share of c in profit of rs . 19000 after a year ?
"explanation : 6000 : 7200 : 10800 5 : 6 : 9 9 / 20 * 19000 = 8550 answer : d"
multiply(divide(6000, add(add(6000, 7200), 10800)), 19000)