in may mrs lee ' s earnings were 30 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 ?
"lets say the family income is 100 in may , lee earned 30 family income is 70 in june , lee earned 20 % more than may , so it is ( 30 + 20 * 30 / 100 = 36 ) family income is same 70 in june lee ' s income percent is 36 * 100 / 106 ~ 34 ans is a"
multiply(divide(add(const_100, 20), add(add(const_100, 20), const_100)), const_100)