Eva had eight times as much money as Kimberly. After Eva spent $14 and Kimberly spent $10, Eva had $31 more than Kimberly. How much did Eva have in the end?
| |
Eva |
Kimberly |
| Before |
8 u |
1 u |
| Change |
- $14 |
- $10 |
| After |
8 u - $14 |
1 u - $10 |
Comparing Eva
and Kimberly
in the end |
$31 more |
|
If Kimberly was given another $31, the amounts that Eva and Kimberly each had in the end would be the same.
8 u - 14 = 1 u - 10 + 31
8 u - 1 u = 14 + 21
7 u = 35
1 u = 35 ÷ 7 = 5
Amount that Eva had in the end
= 8 u - 14
= 8 x 5 - 14
= 40 - 14
= $26
Answer(s): $26
