On Saturday, Raeann, Abi, Jen and Joelle spent a total of $124. On Sunday, Raeann spent twice of what she spent on Saturday, Abi spent the same as what she spent on Saturday, Jen spent $13 less than what she spent on Saturday, and Joelle spent $8 more than what she spent on Saturday. All of them spent an equal amount on Sunday. How much did Raeann and Joelle spend altogether on Saturday?
|
Raeann |
Abi |
Jen |
Joelle |
Total |
Before |
1 u |
2 u |
2 u + $13 |
2 u - $8 |
$124 |
Change |
x 2 |
|
- $13 |
+ $8 |
|
After |
2 u |
2 u |
2 u |
2 u |
|
Total amount that the four girls spent on Saturday
= 1 u + 2 u + 2 u + 13 + 2 u - 8
= 7 u + 13 - 8
= 7 u + 5
7 u + 5 = 124
7 u = 124 - 5
7 u = 119
1 u = 119 ÷ 7 = 17
Total amount that Raeann and Joelle spent on Saturday
= 1 u + 2 u - 8
= 3 u - 8
= 3 x 17 - 8
= 51 - 8
= $43
Answer(s): $43