Shannon, Jaslyn and Lynn had chocolate bars in the ratio of 10 : 3 : 2. After Shannon gave 30 chocolate bars to Jaslyn and Lynn, the three of them had the same number of chocolate bars. Find the total number of chocolate bars the children had.
| |
Shannon |
Jaslyn |
Lynn |
Total |
| Before |
10 u |
3 u |
2 u |
15 u |
| Change |
- 30 |
+ 30 |
|
| After |
5 u |
5 u |
5 u |
15 u |
Total number of chocolate bars
= 10 u + 3 u + 2 u
= 15 u
Number of chocolate bars that each had in the end
= 15 u ÷ 3
= 5 u
Number of chocolate bars that Shannon gave to Jaslyn and Lynn
= 10 u - 5 u
= 5 u
5 u = 30
1 u = 30 ÷ 5 = 6
Total number of chocolate bars
= 15 u
= 15 x 6
= 90
Answer(s): 90
