SOLUTION: Jessica is 27 years older than Ishaan. Twenty years ago, Jessica was 4 times as old as Ishaan. How old is Ishaan now?

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Question 1021872: Jessica is 27 years older than Ishaan. Twenty years ago, Jessica was 4
times as old as Ishaan.
How old is Ishaan now?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
J=27%2BI
20 years ago,
J-20=4%28I-20%29
J-20=4I-80
J=4I-60
Substituting,
27%2BI=4I-60
-3I=-87
I=29
So,
J=27%2B29
J=56