Cindy had
25 as much money as Tammy. Cindy received another $33 from her cousin. In the end, Cindy's money became 1
12 of what Tammy had. How much did Cindy have at first?
| |
Cindy |
Tammy |
| Before |
2x2 =
4 u |
5x2 =
10 u |
| Change |
+ $33 |
|
| After |
3x5 =
15 u |
2x5 =
10 u |
1
12 =
32The amount that Tammy had at first and in the end remains unchanged. Make the amount that Tammy had the same. LCM of 2 and 5 is 10.
Amount that Cindy received
= 15 u - 4 u
= 11 u
11 u = 33
1 u = 33 ÷ 11 = 3
Amount that Cindy had at first
= 4 u
= 4 x 3
= $12
Answer(s): $12
