Emily and Opal went shopping with a total of $532. After Emily spent
56 of her money and Opal spent $42, the ratio of Opal's money became 4 times as much as Emily's money. Find the ratio of Emily's money to Opal's money at first.
| |
Emily |
Opal |
| Before |
6 u |
4 u + 42 |
| Change |
- 5 u |
- 42 |
| After |
1 u |
|
| Comparing between Emily and Opal in the end |
1 u |
4 u |
Total amount that Emily and Opal had at first
= 6 u + 4 u + 42
= 10 u + 42
10 u + 42 = 532
6 u + 5 u = 532 - 42
10 u = 490
1 u = 490 ÷ 10 = 49
Amount that Emily had at first
= 6 u
= 6 x 49
= $294
Amount that Opal had at first
= 532 - 294
= $238
At first
Emily : Opal
294 : 238
21 : 17
Answer(s): 21 : 17
