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Ben is 12 years older than Ishaan.
B = I + 12
Ben and Ishaan first met two years ago.
That is irrelevant information, i.e., that has nothing whatever
to do with this problem.
Three years ago, Ben was 4 times as old as Ishaan.
B-3 = 4(I-3)
B-3 = 4I-12
B = 4I-9
4I - 9 = I + 12
3I = 21
I = 7
How old is Ishaan now?
7
Edwin