Ivory and Erika shared some earpins. Ivory's share was 35% of Erika's share. She then increased her share of the earpins by taking 15% of Erika's share. Given that Ivory had 35 fewer earpins than Erika in the end, how many earpins did the girls have altogether?
| |
Ivory |
Erika |
Difference |
Total |
| Before |
7 u |
20 u |
|
27 u |
| Change |
+ 3 u |
- 3 u |
|
|
| After |
10 u |
17 u |
7 u |
27 u |
35% =
35100 =
720Number of earpins that Ivory took from Erika
= 15% x 20 u
=
15100 x 20 u
= 3 u
Number of fewer earpins that Ivory had than Erika in the end = 7 u
7 u = 35
1 u = 35 ÷ 7 = 5
Total number of earpins that the girls had
= 27 u
= 27 x 5
= 135
Answer(s): 135
