Yoko, Esther and Min had jelly beans in the ratio of 9 : 2 : 4. After Yoko gave 56 jelly beans to Esther and Min, the three of them had the same number of jelly beans. Find the total number of jelly beans the children had.
| |
Yoko |
Esther |
Min |
Total |
| Before |
9 u |
2 u |
4 u |
15 u |
| Change |
- 56 |
+ 56 |
|
| After |
5 u |
5 u |
5 u |
15 u |
Total number of jelly beans
= 9 u + 2 u + 4 u
= 15 u
Number of jelly beans that each had in the end
= 15 u ÷ 3
= 5 u
Number of jelly beans that Yoko gave to Esther and Min
= 9 u - 5 u
= 4 u
4 u = 56
1 u = 56 ÷ 4 = 14
Total number of jelly beans
= 15 u
= 15 x 14
= 210
Answer(s): 210
