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 rest of the family's income did not change, then, in June, Mrs Lee's earnings were approximately what percent of the Lee family's total income ?

1. 64%
2. 68%
3. 72%
4. 76%
5. 80%

The Rest of the family income stay the same ,i.e = 100-60=40

Mrs Lee's Income increases by 20%=60+12=72

Therefore, Total Family earnings = Mrs Lee + Rest of the family=72+40=112

Percentage=(72/112)*100=63.7%=appr 64%