Jen and Min shared some nosepins. Jen's share was 45% of Min's share. She then increased her share of the nosepins by taking 25% of Min's share. Given that Jen had 23 fewer nosepins than Min in the end, how many nosepins did the girls have altogether?
| |
Jen |
Min |
Difference |
Total |
| Before |
9 u |
20 u |
|
29 u |
| Change |
+ 5 u |
- 5 u |
|
|
| After |
14 u |
15 u |
1 u |
29 u |
45% =
45100 =
920Number of nosepins that Jen took from Min
= 25% x 20 u
=
25100 x 20 u
= 5 u
Number of fewer nosepins that Jen had than Min in the end = 1 u
1 u = 23
1 u = 23 ÷ 1 = 23
Total number of nosepins that the girls had
= 29 u
= 29 x 23
= 667
Answer(s): 667
