math
posted by michael .
explain how to write 20 miles divided by 4 hours as a unit rate
If that's distance traveled per unit of time it would be
20miles per 4 hrs but since it's usually compared per hour...
20/4= 5 miles
so every hour you travel 5 miles
and thus...
5miles per hour
Note the formula for such a question is....
distance = rate * time
d = rt
so....
rate = distance / time
r = d/t
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