Daniel's age is
15 of his uncle's. His uncle will be 57 years old in 2 years' time. In how many years' time will Daniel's age be
37 of his uncle's?
|
Daniel |
His uncle |
Difference |
Before |
1 u |
5 u |
44 |
Change |
+ 2 |
+ 2 |
|
After |
|
57 |
|
His uncle's current age
= 57 - 2
= 55
5 u = 55
1 u = 55 ÷ 5 = 11
Daniel's current age = 11
The difference in the age between Daniel and his uncle remains the same.
Difference in the age between Daniel and his uncle
= 5 u - 1 u
= 4 u
= 4 x 11
= 44
|
Daniel |
His uncle |
Difference |
Before |
1 u |
5 u |
44 |
Change |
+ ? |
+ ? |
|
After |
3 p |
7 p |
4 p |
4 p = 44
1 p = 44 ÷ 4 = 11
Daniel's age when he will be
37 of his uncle's age
= 3 p
= 3 x 11
= 33
Number of years' time when Daniel's age will be
37 of his uncle's age
= 3 p - 1 u
= 33 - 11
= 22
Answer(s): 22