Answer:
432 more emails
Explanation:
I) Find decimal of remaining inbox:
88% = 0.88
1 - 0.88 = 0.12
II) Find TOTAL capacity of inbox emails:
3168 / 0.88 = 3600
III) Find remaining capacity of emails:
3600 x 0.12 = 432 more emails
8.8m questions
11.4m answers