The age of Gabriel is
34 of Bryan's age. 15 years ago, the ratio of Gabriel's age to Bryan's age was 3 : 5. How old is Bryan now?
| |
Gabriel |
Bryan |
Difference |
| Before |
3 u |
5 u |
2 u |
| Change |
+ 15 |
+ 15 |
|
| After |
3x2 =
6 u |
4x2 =
8 u |
1x2 =
2 u |
The difference in the age between Gabriel and Bryan at first and in the end remains unchanged. Make the difference in the age between Gabriel and Bryan the same. LCM of 2 and 1 is 2.
Increase in Gabriel's age
= 6 u - 3 u
= 3 u
3 u = 15
1 u = 15 ÷ 3 = 5
Bryan's age now
= 8 u
= 8 x 5
= 40
Answer(s): 40
