Lynn and Fanny went shopping with a total of $990. After Lynn spent
45 of her money and Fanny spent $99, the ratio of Fanny's money became 4 times as much as Lynn's money. Find the ratio of Lynn's money to Fanny's money at first.
| |
Lynn |
Fanny |
| Before |
5 u |
4 u + 99 |
| Change |
- 4 u |
- 99 |
| After |
1 u |
|
| Comparing between Lynn and Fanny in the end |
1 u |
4 u |
Total amount that Lynn and Fanny had at first
= 5 u + 4 u + 99
= 9 u + 99
9 u + 99 = 990
5 u + 4 u = 990 - 99
9 u = 891
1 u = 891 ÷ 9 = 99
Amount that Lynn had at first
= 5 u
= 5 x 99
= $495
Amount that Fanny had at first
= 990 - 495
= $495
At first
Lynn : Fanny
495 : 495
1 : 1
Answer(s): 1 : 1
