Fanny and Mary shared some bracelets. Fanny's share was 45% of Mary's share. She then increased her share of the bracelets by taking 20% of Mary's share. Given that Fanny had 18 fewer bracelets than Mary in the end, how many bracelets did the girls have altogether?
| |
Fanny |
Mary |
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 bracelets that Fanny took from Mary
= 20% x 20 u
=
20100 x 20 u
= 4 u
Number of fewer bracelets that Fanny had than Mary in the end = 3 u
3 u = 18
1 u = 18 ÷ 3 = 6
Total number of bracelets that the girls had
= 29 u
= 29 x 6
= 174
Answer(s): 174
