Zara had
35 as much money as Roshel. Zara received another $45 from her nephew. In the end, Zara's money became 1
12 of what Roshel had. How much did Zara have at first?
| |
Zara |
Roshel |
| Before |
3x2 =
6 u |
5x2 =
10 u |
| Change |
+ $45 |
|
| After |
3x5 =
15 u |
2x5 =
10 u |
1
12 =
32The amount that Roshel had at first and in the end remains unchanged. Make the amount that Roshel had the same. LCM of 2 and 5 is 10.
Amount that Zara received
= 15 u - 6 u
= 9 u
9 u = 45
1 u = 45 ÷ 9 = 5
Amount that Zara had at first
= 6 u
= 6 x 5
= $30
Answer(s): $30
