in may mrs lee ' s earnings were 60 percent of the lee family ' s total income . in june mrs lee earned 20 percent more than in may . if the rest of the family ' s income was the same both months , then , in june , mrs lee ' s earnings were approximately what percent of the lee family ' s total income ?
"say may income = 100 l ' s income = 60 and rest of the family = 40 in june l ' s income = 60 * 120 / 100 = 72 so 72 / 72 + 40 = 64 % answer : a"
multiply(divide(add(const_100, 20), add(add(const_100, 20), const_100)), const_100)