Kylie, Kathy and Lynn had sweets in the ratio of 8 : 4 : 3. After Kylie gave 39 sweets to Kathy and Lynn, the three of them had the same number of sweets. Find the total number of sweets the children had.
| |
Kylie |
Kathy |
Lynn |
Total |
| Before |
8 u |
4 u |
3 u |
15 u |
| Change |
- 39 |
+ 39 |
|
| After |
5 u |
5 u |
5 u |
15 u |
Total number of sweets
= 8 u + 4 u + 3 u
= 15 u
Number of sweets that each had in the end
= 15 u ÷ 3
= 5 u
Number of sweets that Kylie gave to Kathy and Lynn
= 8 u - 5 u
= 3 u
3 u = 39
1 u = 39 ÷ 3 = 13
Total number of sweets
= 15 u
= 15 x 13
= 195
Answer(s): 195
