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