65 % of a number is 21 less than 4 / 5 th of that number . what is the number ?
let the number be x then , 4 x / 5 - ( 65 % of x ) = 21 4 x / 5 - 65 x / 100 = 21 x = 140 answer is c
divide(multiply(multiply(21, 5), divide(const_100, 5)), subtract(multiply(divide(const_100, 5), 4), 65))