Wendy had 4 times as many buttons as Emma at first. After Wendy gave 39 buttons to Emma, they each had the same number of buttons in the end. How many buttons did Emma have in the end?
| |
Wendy |
Emma |
| Before |
4 u |
1 u |
| Change |
- 39 |
+ 39 |
| After |
4 u - 39 |
1 u + 39 |
Comparing Wendy and
Emma in the end |
1 |
1 |
The number of buttons that Wendy and Emma had in the end is equal.
4 u - 39 = 1 u + 39
4 u - 1 u = 39 + 39
3 u = 78
1 u = 26
Number of buttons that Emma had in the end
= 1 u + 39
= 26 + 39
= 65
Answer(s): 65
