Eva had four times as much money as Kimberly. After Eva spent $10 and Kimberly spent $9, Eva had $23 more than Kimberly. How much did Eva have in the end?
| |
Eva |
Kimberly |
| Before |
4 u |
1 u |
| Change |
- $10 |
- $9 |
| After |
4 u - $10 |
1 u - $9 |
Comparing Eva
and Kimberly
in the end |
$23 more |
|
If Kimberly was given another $23, the amounts that Eva and Kimberly each had in the end would be the same.
4 u - 10 = 1 u - 9 + 23
4 u - 1 u = 10 + 14
3 u = 24
1 u = 24 ÷ 3 = 8
Amount that Eva had in the end
= 4 u - 10
= 4 x 8 - 10
= 32 - 10
= $22
Answer(s): $22
