Wendy and Raeann shared some earrings. Wendy's share was 35% of Raeann's share. She then increased her share of the earrings by taking 10% of Raeann's share. Given that Wendy had 18 fewer earrings than Raeann in the end, how many earrings did the girls have altogether?
| |
Wendy |
Raeann |
Difference |
Total |
| Before |
7 u |
20 u |
|
27 u |
| Change |
+ 2 u |
- 2 u |
|
|
| After |
9 u |
18 u |
9 u |
27 u |
35% =
35100 =
720Number of earrings that Wendy took from Raeann
= 10% x 20 u
=
10100 x 20 u
= 2 u
Number of fewer earrings that Wendy had than Raeann in the end = 9 u
9 u = 18
1 u = 18 ÷ 9 = 2
Total number of earrings that the girls had
= 27 u
= 27 x 2
= 54
Answer(s): 54
