a is 9 yrs older than b after 10 yrs a will be twice as he was 10yrs ago
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current age of A is a and B is b
a=9+b-------------------(1))
a+10=2(a-10)-----------(2)
a+10=2a-20
2a-a= 10+20
a=30
and b=a-9=30-9=21
hence present ages r 30 and 21
a=9+b-------------------(1))
a+10=2(a-10)-----------(2)
a+10=2a-20
2a-a= 10+20
a=30
and b=a-9=30-9=21
hence present ages r 30 and 21
cutiepie017:
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