Zoe had $15 less than Fanny at first. After Fanny and Zoe spent an equal amount of money, Zoe had
58 as much as Fanny. How much money did Zoe have left?
| |
Zoe |
Fanny |
Difference |
| Before |
1 u |
1 u + $15 |
$15 |
| Change |
- 1 |
- 1 |
|
| After |
5 p |
8 p |
3 p |
Difference in the amounts between Fanny and Zoe
= 8 p - 5 p
= 3 p
Since both Fanny and Zoe spent an equal amount, the difference in the amounts that Fanny and Zoe had at first and in the end remains unchanged.
3 p = 15
1 p = 15 ÷ 3 = 5
Amount that Zoe had left
= 5 p
= 5 x 5
= $25
Answer(s): $25
