Question 1058792
Let x represent the age of the father.


Since the son is 30 years younger, the son's age is represented by x - 30.


Since the sum of the ages is 45, we can write:


x + (x - 30) = 45


2x - 30 = 45


2x = 75


x = 37.5


Solution: The father is 37.5 years old.