Shiyun had 60 more beads than Kylie. After Kylie gave away
13 of her beads, Shiyun had thrice as many beads as Kylie. How many beads did Kylie have at first?
| |
Shiyun |
Kylie |
Comparing Shiyun
and Kylie at first |
60 more |
|
| Before |
6 u |
3 u |
| Change |
|
- 1 u |
| After |
|
2 u |
Comparing Shiyun
and Kylie in the end |
3x2 =
6 u |
1x2 =
2 u |
The number of beads that Shiyun had at first and in the end remains unchanged. Make the number of beads that Shiyun had the same. LCM of 6 and 3 is 6.
Number of beads that Shiyun had more than Kylie at first
= 6 u - 3 u
= 3 u
3 u = 60
1 u = 60 ÷ 3 = 20
Number of beads that Kylie had at first
= 3 u
= 3 x 20
= 60
Answer(s): 60
