+0

# help

0
104
1

A father is 4 times his son's age. And in 30 years son's age will be half of his father's age. How old is the father?

Jul 7, 2020

#1
+10600
+2

A father is four times the age of his son who is x years old. And in 30 years the son will be half the age of his father. How old is the father?

Hello Guest!

$$x+30= \frac{1}{2}(4x+30)\\ x+30=2x+15\\ x=30-15$$

$$x=15$$

$$The\ father\ is\ 4\times 15\ years=\ 60\ years\ old.$$

!

Jul 7, 2020