if 0.4 of a number is equal to 0.07 of another number , the ratio of the numbers i
"sol . 0.4 a = 0.08 b â ‡ ” a / b = 0.07 / 0.40 = 7 / 40 . â ˆ ´ a : b = 7 : 40 . answer b"
divide(multiply(0.07, const_100), multiply(0.4, const_100))