Joelle had six times as much money as Mary. After Joelle spent $11 and Mary spent $4, Joelle had $23 more than Mary. How much did Joelle have in the end?
| |
Joelle |
Mary |
| Before |
6 u |
1 u |
| Change |
- $11 |
- $4 |
| After |
6 u - $11 |
1 u - $4 |
Comparing Joelle
and Mary
in the end |
$23 more |
|
If Mary was given another $23, the amounts that Joelle and Mary each had in the end would be the same.
6 u - 11 = 1 u - 4 + 23
6 u - 1 u = 11 + 19
5 u = 30
1 u = 30 ÷ 5 = 6
Amount that Joelle had in the end
= 6 u - 11
= 6 x 6 - 11
= 36 - 11
= $25
Answer(s): $25
