Tammy had
34 as much money as Sarah. Tammy received another $264 from her friend. In the end, Tammy's money became 2
25 of what Sarah had. How much did Tammy have at first?
| |
Tammy |
Sarah |
| Before |
3x5 =
15 u |
4x5 =
20 u |
| Change |
+ $264 |
|
| After |
12x4 =
48 u |
5x4 =
20 u |
2
25 =
125The amount that Sarah had at first and in the end remains unchanged. Make the amount that Sarah had the same. LCM of 5 and 4 is 20.
Amount that Tammy received
= 48 u - 15 u
= 33 u
33 u = 264
1 u = 264 ÷ 33 = 8
Amount that Tammy had at first
= 15 u
= 15 x 8
= $120
Answer(s): $120
