Ann and Susan

The difference between the present ages of Ann and Susan is 6 years. After 4 years ratio will be 3:4. What can be the present age of Susan?

Correct answer:

s =  20

Step-by-step explanation:

as=6 (a+4):(s+4)=3:4 s>a  a=s6 4(a+4)=3(s+4)  4((s6)+4)=3(s+4)  4 ((s6)+4)=3 (s+4)  s=20  s=120=20  s=20   Verifying Solution:  a=s6=206=14



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