Fanny and Cathy had an equal number of candy canes. After Fanny bought another 25 candy canes and Cathy bought another 7 candy canes, Fanny had thrice as many candy canes as Cathy. Find the number of candy canes that each of them had at first.
| |
Fanny |
Cathy |
| Before |
3 u - 25 |
1 u - 7 |
| Change |
+ 25 |
+ 7 |
| After |
3 u |
1 u |
The number of candy canes that Fanny and Cathy had at first is the same.
3 u - 25 = 1 u - 7
3 u - 1 u = 25 - 7
2 u = 18
1 u = 18 ÷ 2 = 9
Number of candy canes that each had at first
= 9 - 7
= 2
Answer(s): 2
