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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
given, A = BÂ + 9
A +10Â = 2(B - 10)
A +B +10= 2B - 20
B= 39
A= 39 +9 =48
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