Nora and Dana shared some bracelets. Nora's share was 35% of Dana's share. She then increased her share of the bracelets by taking 20% of Dana's share. Given that Nora had 20 fewer bracelets than Dana in the end, how many bracelets did the girls have altogether?
| |
Nora |
Dana |
Difference |
Total |
| Before |
7 u |
20 u |
|
27 u |
| Change |
+ 4 u |
- 4 u |
|
|
| After |
11 u |
16 u |
5 u |
27 u |
35% =
35100 =
720Number of bracelets that Nora took from Dana
= 20% x 20 u
=
20100 x 20 u
= 4 u
Number of fewer bracelets that Nora had than Dana in the end = 5 u
5 u = 20
1 u = 20 ÷ 5 = 4
Total number of bracelets that the girls had
= 27 u
= 27 x 4
= 108
Answer(s): 108
