Jade, Erika and Min had chocolate bars in the ratio of 8 : 3 : 1. After Jade gave 28 chocolate bars to Erika and Min, the three of them had the same number of chocolate bars. Find the total number of chocolate bars the children had.
|
Jade |
Erika |
Min |
Total |
Before |
8 u |
3 u |
1 u |
12 u |
Change |
- 28 |
+ 28 |
|
After |
4 u |
4 u |
4 u |
12 u |
Total number of chocolate bars
= 8 u + 3 u + 1 u
= 12 u
Number of chocolate bars that each had in the end
= 12 u ÷ 3
= 4 u
Number of chocolate bars that Jade gave to Erika and Min
= 8 u - 4 u
= 4 u
4 u = 28
1 u = 28 ÷ 4 = 7
Total number of chocolate bars
= 12 u
= 12 x 7
= 84
Answer(s): 84