Jean, Xuan and Nora went shopping together. They brought a total of $1497 with them. Jean spent 40% of her money. Xuan spent $100 and Nora spent twice as much money as Jean. In the end, they had $581 left. How much money did Xuan and Nora have altogether in the end?
| |
Jean |
Xuan |
Nora |
Total |
| Before |
5 u |
|
|
1497 |
| Change |
- 2 u |
- 100 |
- 4 u |
- 916 |
| After |
3 u |
? |
581 |
40% =
40100 =
25 Jean spent: Jean's total = 2 : 5
Amount that Nora spent
= 2 x 2 u
= 4 u
Amount that the three girls spent
= 2 u + 4 u + 100
= 6 u + 100
Amount that the three girls spent
= 1497 - 581
= $916
6 u + 100 = 916
6 u = 916 - 100
6 u = 816
1 u = 816 ÷ 6 = 136
Amount that Xuan and Nora had in the end
= 581 - 3 u
= 581 - 3 x 136
= 581 - 408
= $173
Answer(s): $173
