Opal and Joelle went shopping with a total of $351. After Opal spent
56 of her money and Joelle spent $91, the ratio of Joelle's money became 4 times as much as Opal's money. Find the ratio of Opal's money to Joelle's money at first.
| |
Opal |
Joelle |
| Before |
6 u |
4 u + 91 |
| Change |
- 5 u |
- 91 |
| After |
1 u |
|
| Comparing between Opal and Joelle in the end |
1 u |
4 u |
Total amount that Opal and Joelle had at first
= 6 u + 4 u + 91
= 10 u + 91
10 u + 91 = 351
6 u + 5 u = 351 - 91
10 u = 260
1 u = 260 ÷ 10 = 26
Amount that Opal had at first
= 6 u
= 6 x 26
= $156
Amount that Joelle had at first
= 351 - 156
= $195
At first
Opal : Joelle
156 : 195
4 : 5
Answer(s): 4 : 5
