Speed is the rate of distance traveled over time spent. The biker travels 3 minutes per mile
Given that:
Rate = 20miles per 1 hour
Rewrite as:
[tex]Rate = 20\ miles: 1\ hour[/tex]
Convert time to minutes
[tex]Rate = 20\ miles: 60\ minutes[/tex]
Divide by 20
[tex]Rate = 1\ mile: 3\ minutes[/tex]
This means that:
The biker travels 3 minutes per mile
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