if albert ’ s monthly earnings rise by 26 % , he would earn $ 693 . if , instead , his earnings rise by only 20 % , how much ( in $ ) would he earn this month ?
= 693 / 1.26 ∗ 1.2 = 660 = 660 answer is c
multiply(divide(693, add(const_1, divide(26, const_100))), add(const_1, divide(20, const_100)))