On Monday, Linda, Jean, Hazel and Victoria spent a total of $116. On Tuesday, Linda spent twice of what she spent on Monday, Jean spent the same as what she spent on Monday, Hazel spent $20 less than what she spent on Monday, and Victoria spent $9 more than what she spent on Monday. All of them spent an equal amount on Tuesday. How much did Linda and Victoria spend altogether on Monday?
| |
Linda |
Jean |
Hazel |
Victoria |
Total |
| Before |
1 u |
2 u |
2 u + $20 |
2 u - $9 |
$116 |
| Change |
x 2 |
|
- $20 |
+ $9 |
|
| After |
2 u |
2 u |
2 u |
2 u |
|
Total amount that the four girls spent on Monday
= 1 u + 2 u + 2 u + 20 + 2 u - 9
= 7 u + 20 - 9
= 7 u + 11
7 u + 11 = 116
7 u = 116 - 11
7 u = 105
1 u = 105 ÷ 7 = 15
Total amount that Linda and Victoria spent on Monday
= 1 u + 2 u - 9
= 3 u - 9
= 3 x 15 - 9
= 45 - 9
= $36
Answer(s): $36
