a , b and c start a business each investing 20,000 . after 6 months a withdrew 5000 , b withdrew 4000 and c invests 6000 more . at the end of the year , a total profit of 67,600 was recorded . find the share of b .
"ratio of the capitals of a , b and c = 20000 ã — 6 + 15000 ã — 6 : 20000 ã — 6 + 16000 ã — 6 : 20000 ã — 6 + 26000 ã — 6 = 210000 : 216000 : 250000 = 210 : 216 : 250 b â € ™ s share = ( 67600 ã — 216 â  „ 676 ) = 21600 answer c"
divide(add(multiply(subtract(const_12, 6), 4000), multiply(multiply(const_2, multiply(const_100, const_100)), 6)), multiply(const_100, const_10))