On Tuesday, Xylia, Julie, Rachel and Hazel spent a total of $124. On Wednesday, Xylia spent twice of what she spent on Tuesday, Julie spent the same as what she spent on Tuesday, Rachel spent $14 less than what she spent on Tuesday, and Hazel spent $9 more than what she spent on Tuesday. All of them spent an equal amount on Wednesday. How much did Xylia and Hazel spend altogether on Tuesday?
|
Xylia |
Julie |
Rachel |
Hazel |
Total |
Before |
1 u |
2 u |
2 u + $14 |
2 u - $9 |
$124 |
Change |
x 2 |
|
- $14 |
+ $9 |
|
After |
2 u |
2 u |
2 u |
2 u |
|
Total amount that the four girls spent on Tuesday
= 1 u + 2 u + 2 u + 14 + 2 u - 9
= 7 u + 14 - 9
= 7 u + 5
7 u + 5 = 124
7 u = 124 - 5
7 u = 119
1 u = 119 ÷ 7 = 17
Total amount that Xylia and Hazel spent on Tuesday
= 1 u + 2 u - 9
= 3 u - 9
= 3 x 17 - 9
= 51 - 9
= $42
Answer(s): $42