Gem had twice as much money as Zoe. After Gem spent $14 and Zoe spent $8, Gem had $23 more than Zoe. How much did Gem have in the end?
| |
Gem |
Zoe |
| Before |
2 u |
1 u |
| Change |
- $14 |
- $8 |
| After |
2 u - $14 |
1 u - $8 |
Comparing Gem
and Zoe
in the end |
$23 more |
|
If Zoe was given another $23, the amounts that Gem and Zoe each had in the end would be the same.
2 u - 14 = 1 u - 8 + 23
2 u - 1 u = 14 + 15
1 u = 29
1 u = 29 ÷ 1 = 29
Amount that Gem had in the end
= 2 u - 14
= 2 x 29 - 14
= 58 - 14
= $44
Answer(s): $44
