Gillian and Raeann shared some earpins. Gillian's share was 35% of Raeann's share. She then increased her share of the earpins by taking 20% of Raeann's share. Given that Gillian had 15 fewer earpins than Raeann in the end, how many earpins did the girls have altogether?
| |
Gillian |
Raeann |
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 earpins that Gillian took from Raeann
= 20% x 20 u
=
20100 x 20 u
= 4 u
Number of fewer earpins that Gillian had than Raeann in the end = 5 u
5 u = 15
1 u = 15 ÷ 5 = 3
Total number of earpins that the girls had
= 27 u
= 27 x 3
= 81
Answer(s): 81
