On Wednesday, Victoria, Joelle, Tiffany and Xylia spent a total of $98. On Thursday, Victoria spent twice of what she spent on Wednesday, Joelle spent the same as what she spent on Wednesday, Tiffany spent $19 less than what she spent on Wednesday, and Xylia spent $12 more than what she spent on Wednesday. All of them spent an equal amount on Thursday. How much did Victoria and Xylia spend altogether on Wednesday?
|
Victoria |
Joelle |
Tiffany |
Xylia |
Total |
Before |
1 u |
2 u |
2 u + $19 |
2 u - $12 |
$98 |
Change |
x 2 |
|
- $19 |
+ $12 |
|
After |
2 u |
2 u |
2 u |
2 u |
|
Total amount that the four girls spent on Wednesday
= 1 u + 2 u + 2 u + 19 + 2 u - 12
= 7 u + 19 - 12
= 7 u + 7
7 u + 7 = 98
7 u = 98 - 7
7 u = 91
1 u = 91 ÷ 7 = 13
Total amount that Victoria and Xylia spent on Wednesday
= 1 u + 2 u - 12
= 3 u - 12
= 3 x 13 - 12
= 39 - 12
= $27
Answer(s): $27