a started a business with an investment of rs . 70000 and after 6 months b joined him investing rs . 120000 . if the profit at the end of a year is rs . 65000 , then the share of b is ?
"ratio of investments of a and b is ( 70000 * 12 ) : ( 120000 * 6 ) = 7 : 6 total profit = rs . 65000 share of b = 6 / 13 ( 65000 ) = rs . 30000 answer : a"
subtract(65000, multiply(const_60, const_100))