On Thursday, Vanessa, Xylia, Zoe and Eva spent a total of $196. On Friday, Vanessa spent twice of what she spent on Thursday, Xylia spent the same as what she spent on Thursday, Zoe spent $19 less than what she spent on Thursday, and Eva spent $3 more than what she spent on Thursday. All of them spent an equal amount on Friday. How much did Vanessa and Eva spend altogether on Thursday?
| |
Vanessa |
Xylia |
Zoe |
Eva |
Total |
| Before |
1 u |
3 u |
3 u + $19 |
3 u - $3 |
$196 |
| Change |
x 3 |
|
- $19 |
+ $3 |
|
| After |
3 u |
3 u |
3 u |
3 u |
|
Total amount that the four girls spent on Thursday
= 1 u + 3 u + 3 u + 19 + 3 u - 3
= 10 u + 19 - 3
= 10 u + 16
10 u + 16 = 196
10 u = 196 - 16
10 u = 180
1 u = 180 ÷ 10 = 18
Total amount that Vanessa and Eva spent on Thursday
= 1 u + 3 u - 3
= 4 u - 3
= 4 x 18 - 3
= 72 - 3
= $69
Answer(s): $69
