a person bikes 2 1/2 miles at constant rate in 1/8 of an hour what distance , in miles , does the person bike in an hour

The person bike 20 miles in an hour.

Step-by-step explanation:

Given: At a constant speed, a person travels miles in hour.

As

So, in hour, distance traveled = miles

As time and distance are proportional, Multiply 8 om both sides , we get  

In 1 hour, distance traveled = miles

miles= 20 miles

Hence, the person bike 20 miles in an hour.

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