Tammy and Nora went shopping with a total of $273. After Tammy spent
45 of her money and Nora spent $39, the ratio of Nora's money became 4 times as much as Tammy's money. Find the ratio of Tammy's money to Nora's money at first.
| |
Tammy |
Nora |
| Before |
5 u |
4 u + 39 |
| Change |
- 4 u |
- 39 |
| After |
1 u |
|
| Comparing between Tammy and Nora in the end |
1 u |
4 u |
Total amount that Tammy and Nora had at first
= 5 u + 4 u + 39
= 9 u + 39
9 u + 39 = 273
5 u + 4 u = 273 - 39
9 u = 234
1 u = 234 ÷ 9 = 26
Amount that Tammy had at first
= 5 u
= 5 x 26
= $130
Amount that Nora had at first
= 273 - 130
= $143
At first
Tammy : Nora
130 : 143
10 : 11
Answer(s): 10 : 11
