Eva had
23 as much money as Abi. Eva received another $87 from her father. In the end, Eva's money became 2
35 of what Abi had. How much did Eva have at first?
| |
Eva |
Abi |
| Before |
2x5 =
10 u |
3x5 =
15 u |
| Change |
+ $87 |
|
| After |
13x3 =
39 u |
5x3 =
15 u |
2
35 =
135The amount that Abi had at first and in the end remains unchanged. Make the amount that Abi had the same. LCM of 5 and 3 is 15.
Amount that Eva received
= 39 u - 10 u
= 29 u
29 u = 87
1 u = 87 ÷ 29 = 3
Amount that Eva had at first
= 10 u
= 10 x 3
= $30
Answer(s): $30
