Gwen had $15 less than Fanny at first. After Fanny and Gwen spent an equal amount of money, Gwen had
38 as much as Fanny. How much money did Gwen have left?
|
Gwen |
Fanny |
Difference |
Before |
1 u |
1 u + $15 |
$15 |
Change |
- 1 |
- 1 |
|
After |
3 p |
8 p |
5 p |
Difference in the amounts between Fanny and Gwen
= 8 p - 3 p
= 5 p
Since both Fanny and Gwen spent an equal amount, the difference in the amounts that Fanny and Gwen had at first and in the end remains unchanged.
5 p = 15
1 p = 15 ÷ 5 = 3
Amount that Gwen had left
= 3 p
= 3 x 3
= $9
Answer(s): $9