Kimberly and Eva shared some necklaces. Kimberly's share was 35% of Eva's share. She then increased her share of the necklaces by taking 25% of Eva's share. Given that Kimberly had 21 fewer necklaces than Eva in the end, how many necklaces did the girls have altogether?
| |
Kimberly |
Eva |
Difference |
Total |
| Before |
7 u |
20 u |
|
27 u |
| Change |
+ 5 u |
- 5 u |
|
|
| After |
12 u |
15 u |
3 u |
27 u |
35% =
35100 =
720Number of necklaces that Kimberly took from Eva
= 25% x 20 u
=
25100 x 20 u
= 5 u
Number of fewer necklaces that Kimberly had than Eva in the end = 3 u
3 u = 21
1 u = 21 ÷ 3 = 7
Total number of necklaces that the girls had
= 27 u
= 27 x 7
= 189
Answer(s): 189
