Lucy and Emma had an equal number of candy canes. After Lucy bought another 30 candy canes and Emma bought another 4 candy canes, Lucy had thrice as many candy canes as Emma. Find the number of candy canes that each of them had at first.
| |
Lucy |
Emma |
| Before |
3 u - 30 |
1 u - 4 |
| Change |
+ 30 |
+ 4 |
| After |
3 u |
1 u |
The number of candy canes that Lucy and Emma had at first is the same.
3 u - 30 = 1 u - 4
3 u - 1 u = 30 - 4
2 u = 26
1 u = 26 ÷ 2 = 13
Number of candy canes that each had at first
= 13 - 4
= 9
Answer(s): 9
