Ken had $1.70 less than Lee. After Ken gave $2.30 to Lee, Lee would have four times as much money as Ken. How much money had Lee at first?
| |
Lee |
Ken |
| Before |
4 u - $2.30 |
1 u + $2.30 |
| Change |
+ $2.30 |
- $2.30 |
| After |
4 u |
1 u |
Ken had $1.70 less than Lee. If another $1.70 was given to Ken, Lee and Ken would have the same amount at first.
4 u - 2.30 = 1 u + 2.30 + 1.70
4 u - 1 u = 2.30 + 1.70 + 2.30
3 u = 6.30
1 u = 6.30 ÷ 3 = 2.10
Amount that Lee had at first
= 4 u - 2.30
= 4 x 2.10 + 2.30
= 8.40 + 2.30
= $10.70
Answer(s): $10.70
