the difference between the ages of Rahul and Ravi is 9 years. after 10 years,Rahul will be twice as old as what ravi was 10 years ago. find their present ages.
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Rahul-ravi=9
rahul+10=2(ravi-10)
rahul+10=2ravi-20
2ravi-rahul=30
rahul-ravi=9
rahul=ravi+9
2ravi-(ravi+9)=30
2ravi-ravi-9=30
ravi-9=30
ravi=30+9
ravi=39
rahul=ravi+9
rahul=39+9
rahul=48
rahul=48years
ravi=39years
rahul+10=2(ravi-10)
rahul+10=2ravi-20
2ravi-rahul=30
rahul-ravi=9
rahul=ravi+9
2ravi-(ravi+9)=30
2ravi-ravi-9=30
ravi-9=30
ravi=30+9
ravi=39
rahul=ravi+9
rahul=39+9
rahul=48
rahul=48years
ravi=39years
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