Valen had $4.30 less than Cody. After Valen gave $2.20 to Cody, Cody would have four times as much money as Valen. How much money had Cody at first?
| |
Cody |
Valen |
| Before |
4 u - $2.20 |
1 u + $2.20 |
| Change |
+ $2.20 |
- $2.20 |
| After |
4 u |
1 u |
Valen had $4.30 less than Cody. If another $4.30 was given to Valen, Cody and Valen would have the same amount at first.
4 u - 2.20 = 1 u + 2.20 + 4.30
4 u - 1 u = 2.20 + 4.30 + 2.20
3 u = 8.70
1 u = 8.70 ÷ 3 = 2.90
Amount that Cody had at first
= 4 u - 2.20
= 4 x 2.90 + 2.20
= 11.60 + 2.20
= $13.80
Answer(s): $13.80
