Tammy and Shannon went shopping with a total of $512. After Tammy spent
34 of her money and Shannon spent $36, the ratio of Shannon's money became 3 times as much as Tammy's money. Find the ratio of Tammy's money to Shannon's money at first.
| |
Tammy |
Shannon |
| Before |
4 u |
3 u + 36 |
| Change |
- 3 u |
- 36 |
| After |
1 u |
|
| Comparing between Tammy and Shannon in the end |
1 u |
3 u |
Total amount that Tammy and Shannon had at first
= 4 u + 3 u + 36
= 7 u + 36
7 u + 36 = 512
4 u + 3 u = 512 - 36
7 u = 476
1 u = 476 ÷ 7 = 68
Amount that Tammy had at first
= 4 u
= 4 x 68
= $272
Amount that Shannon had at first
= 512 - 272
= $240
At first
Tammy : Shannon
272 : 240
17 : 15
Answer(s): 17 : 15
