Vanessa had thrice as much money as Marion. After Vanessa spent $14 and Marion spent $4, Vanessa had $28 more than Marion. How much did Vanessa have in the end?
| |
Vanessa |
Marion |
| Before |
3 u |
1 u |
| Change |
- $14 |
- $4 |
| After |
3 u - $14 |
1 u - $4 |
Comparing Vanessa
and Marion
in the end |
$28 more |
|
If Marion was given another $28, the amounts that Vanessa and Marion each had in the end would be the same.
3 u - 14 = 1 u - 4 + 28
3 u - 1 u = 14 + 24
2 u = 38
1 u = 38 ÷ 2 = 19
Amount that Vanessa had in the end
= 3 u - 14
= 3 x 19 - 14
= 57 - 14
= $43
Answer(s): $43
