Question

8. A school official calculated that the school bus arrives by 8 a.m. 90% of the time. If the

bus runs 200 days, on how many days can the school official expect it to arrive after
8 a.m.?

Answer 1

20 days of the 200 total days

Explanation:

1. 200/100=2

2. 2x90=180

3. 200-180=20