Fanny, Tina and Roshel had chocolate bars in the ratio of 10 : 2 : 3. After Fanny gave 80 chocolate bars to Tina and Roshel, the three of them had the same number of chocolate bars. Find the total number of chocolate bars the children had.
| |
Fanny |
Tina |
Roshel |
Total |
| Before |
10 u |
2 u |
3 u |
15 u |
| Change |
- 80 |
+ 80 |
|
| After |
5 u |
5 u |
5 u |
15 u |
Total number of chocolate bars
= 10 u + 2 u + 3 u
= 15 u
Number of chocolate bars that each had in the end
= 15 u ÷ 3
= 5 u
Number of chocolate bars that Fanny gave to Tina and Roshel
= 10 u - 5 u
= 5 u
5 u = 80
1 u = 80 ÷ 5 = 16
Total number of chocolate bars
= 15 u
= 15 x 16
= 240
Answer(s): 240
