in may mrs lee ' s earnings were 45 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 ?
"let in may lee family ' s total income = 100 in may mrs lee ' s income = 45 in may rest of the family ' s income = 55 in june mrs lees income = 45 * 120 / 100 = 54 in june total income = 54 + 55 = 109 % of mrs lee ' s income = 54 / 109 = 49.54 ( a )"
multiply(divide(add(const_100, 20), add(add(const_100, 20), const_100)), const_100)