Zoe had
23 as much money as Emily. Zoe received another $50 from her uncle. In the end, Zoe's money became 1
12 of what Emily had. How much did Zoe have at first?
| |
Zoe |
Emily |
| Before |
2x2 =
4 u |
3x2 =
6 u |
| Change |
+ $50 |
|
| After |
3x3 =
9 u |
2x3 =
6 u |
1
12 =
32The amount that Emily had at first and in the end remains unchanged. Make the amount that Emily had the same. LCM of 2 and 3 is 6.
Amount that Zoe received
= 9 u - 4 u
= 5 u
5 u = 50
1 u = 50 ÷ 5 = 10
Amount that Zoe had at first
= 4 u
= 4 x 10
= $40
Answer(s): $40
