Julian is 24 years older than his niece. 2 years from now, his niece will be
13 of his age while his cousin will be
12 of his niece. Express his cousin’s present age as a fraction of Julian's present age. Leave your answer in its simplest form.
|
Julian |
Julian's niece |
Julian's cousin |
Difference between Julian and Julian's niece |
Before |
6 u - 2 |
2 u - 2 |
1 u - 2 |
24 |
Change |
+ 2 |
+ 2 |
+ 2 |
|
After
|
3x2 |
1x2 |
|
|
|
2x1 |
1x1 |
|
Comparing Julian, his niece and his cousin in the end |
6 u |
2 u |
1 u |
4 u |
The repeated identity is the age of Julian's niece. LCM of 1 and 2 is 2.
The difference in age between Julian and Julian's niece remains unchanged.
Difference in age between Julian and Julian's niece
= 6 u - 2 u
= 4 u
4 u = 24
1 u = 24 ÷ 4 = 6
His cousin's present age
= 1 u - 2
= 1 x 6 - 2
= 6 - 2
= 4
Julian's present age
= 6 u - 2
= 6 x 6 - 2
= 36 - 2
= 34
His cousin's present age as a fraction of Julian's present age
=
434=
217 Answer(s):
217