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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.?

Respuesta :

Answer:

20 days of the 200 total days

Step-by-step explanation:

1.  200/100=2

2. 2x90=180

3. 200-180=20

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