Min and Julie shared some necklaces. Min's share was 45% of Julie's share. She then increased her share of the necklaces by taking 20% of Julie's share. Given that Min had 30 fewer necklaces than Julie in the end, how many necklaces did the girls have altogether?
| |
Min |
Julie |
Difference |
Total |
| Before |
9 u |
20 u |
|
29 u |
| Change |
+ 4 u |
- 4 u |
|
|
| After |
13 u |
16 u |
3 u |
29 u |
45% =
45100 =
920Number of necklaces that Min took from Julie
= 20% x 20 u
=
20100 x 20 u
= 4 u
Number of fewer necklaces that Min had than Julie in the end = 3 u
3 u = 30
1 u = 30 ÷ 3 = 10
Total number of necklaces that the girls had
= 29 u
= 29 x 10
= 290
Answer(s): 290
