Kathy and Jaslyn went shopping with a total of $290. After Kathy spent
45 of her money and Jaslyn spent $74, the ratio of Jaslyn's money became 4 times as much as Kathy's money. Find the ratio of Kathy's money to Jaslyn's money at first.
| |
Kathy |
Jaslyn |
| Before |
5 u |
4 u + 74 |
| Change |
- 4 u |
- 74 |
| After |
1 u |
|
| Comparing between Kathy and Jaslyn in the end |
1 u |
4 u |
Total amount that Kathy and Jaslyn had at first
= 5 u + 4 u + 74
= 9 u + 74
9 u + 74 = 290
5 u + 4 u = 290 - 74
9 u = 216
1 u = 216 ÷ 9 = 24
Amount that Kathy had at first
= 5 u
= 5 x 24
= $120
Amount that Jaslyn had at first
= 290 - 120
= $170
At first
Kathy : Jaslyn
120 : 170
12 : 17
Answer(s): 12 : 17
