The sum of ages a father and son is 45 years. Five years ago, the product of their ages was four times the father’s age at that time. The present age of the father is:

The sum of ages a father and son is 45 years. Five years ago, the prod

1.	The sum of ages a father and son is 45 years. Five years ago, the product of their ages was four times the father’s age at that time. The present age of the father is:
A.	35 years
B.	36 years
C.	37 years
D.	38 years
Answer» C. 37 years