Cindy and Kimberly went shopping with a total of $748. After Cindy spent
34 of her money and Kimberly spent $55, the ratio of Kimberly's money became 5 times as much as Cindy's money. Find the ratio of Cindy's money to Kimberly's money at first.
| |
Cindy |
Kimberly |
| Before |
4 u |
5 u + 55 |
| Change |
- 3 u |
- 55 |
| After |
1 u |
|
| Comparing between Cindy and Kimberly in the end |
1 u |
5 u |
Total amount that Cindy and Kimberly had at first
= 4 u + 5 u + 55
= 9 u + 55
9 u + 55 = 748
4 u + 3 u = 748 - 55
9 u = 693
1 u = 693 ÷ 9 = 77
Amount that Cindy had at first
= 4 u
= 4 x 77
= $308
Amount that Kimberly had at first
= 748 - 308
= $440
At first
Cindy : Kimberly
308 : 440
7 : 10
Answer(s): 7 : 10
