Vaidev had $1.20 less than Ben. After Vaidev gave $3.60 to Ben, Ben would have thrice as much money as Vaidev. How much money had Ben at first?
| |
Ben |
Vaidev |
| Before |
3 u - $3.60 |
1 u + $3.60 |
| Change |
+ $3.60 |
- $3.60 |
| After |
3 u |
1 u |
Vaidev had $1.20 less than Ben. If another $1.20 was given to Vaidev, Ben and Vaidev would have the same amount at first.
3 u - 3.60 = 1 u + 3.60 + 1.20
3 u - 1 u = 3.60 + 1.20 + 3.60
2 u = 8.40
1 u = 8.40 ÷ 2 = 4.20
Amount that Ben had at first
= 3 u - 3.60
= 3 x 4.20 + 3.60
= 12.60 + 3.60
= $16.20
Answer(s): $16.20
