Hazel and Barbara had the same number of chocolate bars at first. After Hazel received another 13 chocolate bars and Barbara gave away 33 chocolate bars, Hazel had 3 times as many chocolate bars as Barbara. How many chocolate bars did each of them have at first?
| |
Hazel |
Barbara |
| Before |
3 u - 13 |
1 u + 33 |
| Change |
+ 13 |
- 33 |
| After |
3 u |
1 u |
Hazel and Barbara had the same number of chocolate bars at first.
3 u - 13 = 1 u + 33
3 u - 1 u = 33 + 13
2 u = 46
1 u = 46 ÷ 2 = 23
Number of chocolate bars that each of them at first
= 23 + 33
= 56
Answer(s): 56
