When I
When I am as old as my older brother is today, my brother will be twice as old as I am today.
a) How old is my brother if I am 8 years old today?
b) How old am I if my brother is 21 today?
a) How old is my brother if I am 8 years old today?
b) How old am I if my brother is 21 today?
Correct answer:
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