Min and Emily shared some earpins. Min's share was 45% of Emily's share. She then increased her share of the earpins by taking 20% of Emily's share. Given that Min had 15 fewer earpins than Emily in the end, how many earpins did the girls have altogether?
| |
Min |
Emily |
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 earpins that Min took from Emily
= 20% x 20 u
=
20100 x 20 u
= 4 u
Number of fewer earpins that Min had than Emily in the end = 3 u
3 u = 15
1 u = 15 ÷ 3 = 5
Total number of earpins that the girls had
= 29 u
= 29 x 5
= 145
Answer(s): 145
