Nora had 108 less lollipops than Shiyun. Shiyun used
67 of her lollipops and Nora used
45 of her lollipops. In the end, Shiyun had 2 times as much as Nora. Find the number of lollipops that Shiyun had at first.
| |
Shiyun |
Nora |
Comparing Shiyun
and Parry at first |
|
108 less |
| Before |
7x2 =
14 u |
5 u |
| Change |
- 6x2 =
- 12 u |
- 4 u |
| After |
1x2 =
2 u |
1 u |
Comparing Shiyun
and Parry in the end |
2 u |
1 u |
The number of lollipops that Shiyun had in the end is repeated. Make the number of lollipops that Shiyun had in the end the same. LCM of 1 and 2 is 2.
Number of lollipops that Nora had less than Shiyun
= 14 u - 5 u
= 9 u
9 u = 108
1 u = 108 ÷ 9 = 12
Number of lollipops that Shiyun had at first
= 14 u
= 14 x 12
= 168
Answer(s): 168
