Question
A son is 8 years old. His father is five times as old.
How old was the father when his son was born?
How old was the father when his son was born?
Answers
Emily
A son is 8 years old. His father is five times as old.
* How old will the father be when he will be twice as old as his son?
* How old will the father be when he will be twice as old as his son?
oobleck
son = 8
father = 5*8 = 40
when son was born, father was 32
In x years, you want
40+x = 2(8+x)
Now solve for x
father = 5*8 = 40
when son was born, father was 32
In x years, you want
40+x = 2(8+x)
Now solve for x