Erika had
23 as much money as Gwen. Erika received another $57 from her buddy. In the end, Erika's money became 2
14 of what Gwen had. How much did Erika have at first?
| |
Erika |
Gwen |
| Before |
2x4 =
8 u |
3x4 =
12 u |
| Change |
+ $57 |
|
| After |
9x3 =
27 u |
4x3 =
12 u |
2
14 =
94The amount that Gwen had at first and in the end remains unchanged. Make the amount that Gwen had the same. LCM of 4 and 3 is 12.
Amount that Erika received
= 27 u - 8 u
= 19 u
19 u = 57
1 u = 57 ÷ 19 = 3
Amount that Erika had at first
= 8 u
= 8 x 3
= $24
Answer(s): $24
