Natalie and Fanny shared some earrings. Natalie's share was 40% of Fanny's share. She then increased her share of the earrings by taking 20% of Fanny's share. Given that Natalie had 37 fewer earrings than Fanny in the end, how many earrings did the girls have altogether?
| |
Natalie |
Fanny |
Difference |
Total |
| Before |
2 u |
5 u |
|
7 u |
| Change |
+ 1 u |
- 1 u |
|
|
| After |
3 u |
4 u |
1 u |
7 u |
40% =
40100 =
25Number of earrings that Natalie took from Fanny
= 20% x 5 u
=
20100 x 5 u
= 1 u
Number of fewer earrings that Natalie had than Fanny in the end = 1 u
1 u = 37
1 u = 37 ÷ 1 = 37
Total number of earrings that the girls had
= 7 u
= 7 x 37
= 259
Answer(s): 259
