Answer with explanation:
Factors of -36 are

It is given that , among the factors of , -36 , one factor is 11 less than half of the other factor.
If you will take,
, then you can find such pairs.
Pairs are= (3,-4), (9, -1),(-1, -6),
Multiply 8 by 4 and that will give you 32 then add 9 and you get 41 so the answer is 41 years old
The answer is Graph, I hope it helps:)