Valen is 6 years old now. His brother is 24 years older than him. How old will Valen be when his age is
25 of his brother's age?
| |
Valen |
His brother |
Difference |
| Before |
|
|
24 |
| Change |
+ ? |
+ ? |
|
| After |
2 u |
5 u |
3 u |
The difference in the age between Valen and his brother at first and in the end remains unchanged.
Number of years that his brother is older than Valen
= 5 u - 2 u
= 3 u
3 u = 24
1 u = 24 ÷ 3 = 8
Valen's age when his age is
25 of his brother's age
= 2 u
= 2 x 8
= 16
Answer(s): 16
