Flynn's age is
35 his brother's age now. 8 years ago, his age was
13 that of his brother's. How old is Flynn now?
| |
Flynn |
Flynn's brother |
Difference |
| Before |
1x1 =
1 u |
3x1 =
3 u |
2x1 =
2 u |
| Change |
+ 8 |
+ 8 |
|
| After |
3x1 =
3 u |
5x1 =
5 u |
2x1 =
2 u |
The difference in the age between Flynn and Flynn's brother remains unchanged. Make the difference in age the same. LCM of 2 and 2 is 2.
Increase in the age of Flynn
= 3 u - 1 u
= 2 u
2 u = 8
1 u = 8 ÷ 2 = 4
Flynn's age now
= 3 u
= 3 x 4
= 12
Answer(s): 12
