if 20 % of a number = 400 , then 120 % of that number will be ?
"let the number x . then , 20 % of x = 400 x = ( 400 * 100 ) / 20 = 2000 120 % of x = ( 120 / 100 * 2000 ) = 2400 . answer : d"
divide(multiply(120, 400), 20)