Xylia had $21 more than Xandra at first. After Xylia and Xandra spent an equal amount of money, Xandra had
58 as much as Xylia. How much money did Xylia have left?
| |
Xylia |
Xandra |
Difference |
| Before |
1 u + $21 |
1 u |
$21 |
| Change |
- 1 |
- 1 |
|
| After |
8 p |
5 p |
3 p |
Difference in the amounts between Xylia and Xandra
= 8 p - 5 p
= 3 p
Since both Xylia and Xandra spent an equal amount, the difference in the amounts that Xylia and Xandra had at first and in the end remains unchanged.
3 p = 21
1 p = 21 ÷ 3 = 7
Amount that Xylia had left
= 8 p
= 8 x 7
= $56
Answer(s): $56
