Jade had
23 as much money as Gwen. Jade received another $15 from her father. In the end, Jade's money became 1
12 of what Gwen had. How much did Jade have at first?
| |
Jade |
Gwen |
| Before |
2x2 =
4 u |
3x2 =
6 u |
| Change |
+ $15 |
|
| After |
3x3 =
9 u |
2x3 =
6 u |
1
12 =
32The amount that Gwen had at first and in the end remains unchanged. Make the amount that Gwen had the same. LCM of 2 and 3 is 6.
Amount that Jade received
= 9 u - 4 u
= 5 u
5 u = 15
1 u = 15 ÷ 5 = 3
Amount that Jade had at first
= 4 u
= 4 x 3
= $12
Answer(s): $12
