Sarah and Esther had the same number of chocolate bars at first. After Sarah received another 23 chocolate bars and Esther gave away 37 chocolate bars, Sarah had 4 times as many chocolate bars as Esther. How many chocolate bars did each of them have at first?
| |
Sarah |
Esther |
| Before |
4 u - 23 |
1 u + 37 |
| Change |
+ 23 |
- 37 |
| After |
4 u |
1 u |
Sarah and Esther had the same number of chocolate bars at first.
4 u - 23 = 1 u + 37
4 u - 1 u = 37 + 23
3 u = 60
1 u = 60 ÷ 3 = 20
Number of chocolate bars that each of them at first
= 20 + 37
= 57
Answer(s): 57
