A is twice as old as B 5 years ago A"s age was 3 times b,s age .what is the present age
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Let age of B be x
Therefore age of A=2x
Age of A 5 years ago=2x-5
Age of B 5 years ago=x-5
Age of A 5 years ago=3 times age of B 5 years ago
2x-5=3*(x-5)
2x-5=3x-15
2x-5+15=3x
2x+10=3x
10=3x-2x=x
Present age of A=2x
=2*10
=20
Present age of A is 20 years
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