11 years ago, the sum of their ages was  82 - 2*11 = 60 years, and Jake was 3 times Marian's age.


Hence, 11 years ago Marian was 60:4 = 15 years and Jake was 3*15 = 45 years old.


Hence, now Marian is 15+11 = 26 years old;  Jake is 45+11 = 56 years old.    ANSWER

Let Jake's age be J

Then Mariah's is 82 - J

Eleven years ago, Jake was 3 times Mariah's age, and so, we get: J - 11 = 3(82 - J - 11)

J - 11 = 3(71 - J)

J - 11 = 213 - 3J

J + 3J = 213 + 11

4J = 224

J, or Jake is:  

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