Gabby, Irene and Gillian went shopping together. They brought a total of $1684 with them. Gabby spent 50% of her money. Irene spent $181 and Gillian spent four times as much money as Gabby. In the end, they had $528 left. How much money did Irene and Gillian have altogether in the end?
| |
Gabby |
Irene |
Gillian |
Total |
| Before |
2 u |
|
|
1684 |
| Change |
- 1 u |
- 181 |
- 4 u |
- 1156 |
| After |
1 u |
? |
528 |
50% =
50100 =
12 Gabby spent: Gabby's total = 1 : 2
Amount that Gillian spent
= 4 x 1 u
= 4 u
Amount that the three girls spent
= 1 u + 4 u + 181
= 5 u + 181
Amount that the three girls spent
= 1684 - 528
= $1156
5 u + 181 = 1156
5 u = 1156 - 181
5 u = 975
1 u = 975 ÷ 5 = 195
Amount that Irene and Gillian had in the end
= 528 - 1 u
= 528 - 1 x 195
= 528 - 195
= $333
Answer(s): $333
