if 40 % of a number is equal to two - third of another number , what is the ratio of first number to the second number ?
"let 40 % of a = 2 / 3 b then 40 a / 100 = 2 b / 3 2 a / 5 = 2 b / 3 a / b = 5 / 3 a : b = 5 : 3 answer is d"
divide(divide(const_1, const_4), divide(40, const_100))