Question 28

A is now 9 years older than B. In 10 years, A will be twice as old as B was 10 years ago. Find the present age of A.

Solution

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given, A = B + 9

A +10  = 2(B - 10)

A +B +10= 2B - 20

B= 39

A= 39 +9 =48

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