Will is 2 years old now. His cousin is 40 years older than him. How old will Will be when his age is
49 of his cousin's age?
| |
Will |
His cousin |
Difference |
| Before |
|
|
40 |
| Change |
+ ? |
+ ? |
|
| After |
4 u |
9 u |
5 u |
The difference in the age between Will and his cousin at first and in the end remains unchanged.
Number of years that his cousin is older than Will
= 9 u - 4 u
= 5 u
5 u = 40
1 u = 40 ÷ 5 = 8
Will's age when his age is
49 of his cousin's age
= 4 u
= 4 x 8
= 32
Answer(s): 32
