Victoria and Gabby had equal amount of money. Each day, Victoria spent $15 and Gabby spent $24. When Victoria had $99 left, Gabby had
1011 as much money left as Victoria. How much money did the two girls have at first?
| |
Victoria |
Gabby |
| Before |
15 u + 99 |
24 u + 90 |
| Change |
- 15 u |
- 24 u |
| After |
$99 |
$90 |
Amount that Gabby had left
=
1011 x 99
= $90
The amount that Victoria and Gabby had at first is the same.
24 u + 90 = 15 u + 99
24 u - 15 u = 99 - 90
9 u = 9
1 u = 9 ÷ 9 = 1
Amount that Victoria had at first
= 15 u + 99
= 15 x 1 + 99
= 15 + 99
= $114
Total amount that both girls had at first
= 2 x 114
= $228
Answer(s): $228
