Julie and Hilda went shopping with a total of $492. After Julie spent
34 of her money and Hilda spent $51, the ratio of Hilda's money became 3 times as much as Julie's money. Find the ratio of Julie's money to Hilda's money at first.
| |
Julie |
Hilda |
| Before |
4 u |
3 u + 51 |
| Change |
- 3 u |
- 51 |
| After |
1 u |
|
| Comparing between Julie and Hilda in the end |
1 u |
3 u |
Total amount that Julie and Hilda had at first
= 4 u + 3 u + 51
= 7 u + 51
7 u + 51 = 492
4 u + 3 u = 492 - 51
7 u = 441
1 u = 441 ÷ 7 = 63
Amount that Julie had at first
= 4 u
= 4 x 63
= $252
Amount that Hilda had at first
= 492 - 252
= $240
At first
Julie : Hilda
252 : 240
21 : 20
Answer(s): 21 : 20
