the number which exceeds 16 % of it by 21 is :
"solution solution let the number be x . x - 16 % of x = 21 x - 16 / 100 x = 21 x - 4 / 25 x = 21 21 / 25 x = 21 x = ( 21 x 25 / 21 ) = 25 answer a"
divide(multiply(21, const_100), subtract(const_100, 16))