Fiona and Kimberly went shopping with a total of $558. After Fiona spent
45 of her money and Kimberly spent $72, the ratio of Kimberly's money became 4 times as much as Fiona's money. Find the ratio of Fiona's money to Kimberly's money at first.
| |
Fiona |
Kimberly |
| Before |
5 u |
4 u + 72 |
| Change |
- 4 u |
- 72 |
| After |
1 u |
|
| Comparing between Fiona and Kimberly in the end |
1 u |
4 u |
Total amount that Fiona and Kimberly had at first
= 5 u + 4 u + 72
= 9 u + 72
9 u + 72 = 558
5 u + 4 u = 558 - 72
9 u = 486
1 u = 486 ÷ 9 = 54
Amount that Fiona had at first
= 5 u
= 5 x 54
= $270
Amount that Kimberly had at first
= 558 - 270
= $288
At first
Fiona : Kimberly
270 : 288
15 : 16
Answer(s): 15 : 16
