Hazel had four times as much money as Opal. After Hazel spent $10 and Opal spent $9, Hazel had $17 more than Opal. How much did Hazel have in the end?
| |
Hazel |
Opal |
| Before |
4 u |
1 u |
| Change |
- $10 |
- $9 |
| After |
4 u - $10 |
1 u - $9 |
Comparing Hazel
and Opal
in the end |
$17 more |
|
If Opal was given another $17, the amounts that Hazel and Opal each had in the end would be the same.
4 u - 10 = 1 u - 9 + 17
4 u - 1 u = 10 + 8
3 u = 18
1 u = 18 ÷ 3 = 6
Amount that Hazel had in the end
= 4 u - 10
= 4 x 6 - 10
= 24 - 10
= $14
Answer(s): $14
