arjun started a business with rs . 10,000 and is joined afterwards by anoop with rs . 40 , 000 . after how many months did anoop join if the profits at the end of the year are divided equally ?
"suppose anoop joined after 3 months . then , 10000 * 12 = 40000 * ( 12 – x ) = > x = 9 . answer : e"
divide(subtract(multiply(multiply(multiply(const_4, const_100), const_100), const_12), multiply(multiply(multiply(const_2, const_100), const_100), const_12)), multiply(multiply(40, const_100), const_10))