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earning

by dreamv » Tue Feb 21, 2012 2:40 pm
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?

A. 64%
B. 68%
C. 72%
D. 76%
E. 80%
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by pemdas » Tue Feb 21, 2012 3:04 pm
this one is very old and many times answered on BTG, plz search for solution on the domain.
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by LalaB » Wed Feb 22, 2012 12:36 am
let total=100, then Lee=0.6*100=60, and the rest=40

60*1.2=72

72/(72+40)=72/112=0.64

answ is A
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by Anurag@Gurome » Wed Feb 22, 2012 5:14 am
dreamv wrote: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?

A. 64%
B. 68%
C. 72%
D. 76%
E. 80%
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