if 30 % of a number is equal to one - third of another number , what is the ratio of first number to the second number ?
"explanation : let 30 % of a = 1 / 3 b then , 30 a / 100 = 1 b / 3 = > 3 a / 10 = b / 3 = > a : b = 10 : 9 answer : c"
divide(divide(const_1, const_4), divide(30, const_100))