Cole is 3 years old now. His cousin is 28 years older than him. How old will Cole be when his age is
37 of his cousin's age?
| |
Cole |
His cousin |
Difference |
| Before |
|
|
28 |
| Change |
+ ? |
+ ? |
|
| After |
3 u |
7 u |
4 u |
The difference in the age between Cole and his cousin at first and in the end remains unchanged.
Number of years that his cousin is older than Cole
= 7 u - 3 u
= 4 u
4 u = 28
1 u = 28 ÷ 4 = 7
Cole's age when his age is
37 of his cousin's age
= 3 u
= 3 x 7
= 21
Answer(s): 21
