The age of Vincent is
35 of Asher's age. 20 years later, the ratio of Vincent's age to Asher's age is 4 : 5. How old is Asher at first?
| |
Vincent |
Asher |
Difference |
| Before |
3 u |
5 u |
2 u |
| Change |
+ 20 |
+ 20 |
|
| After |
4x2 =
8 u |
5x2 =
10 u |
1x2 =
2 u |
The difference in the age between Vincent and Asher at first and in the end remains unchanged. Make the difference in the age between Vincent and Asher the same. LCM of 2 and 1 is 2.
Increase in Vincent's age
= 8 u - 3 u
= 5 u
5 u = 20
1 u = 20 ÷ 5 = 4
Asher's age at first
= 5 u
= 5 x 4
= 20
Answer(s): 20
