Tony J. answered 09/30/17
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(36 miles/1 hour) * (1 hour/60 minutes)
If you multiply these fractions, notice that the "hours" units cancel, and you're left with minutes in the denominator, as desired.
Now, as far as the numbers in these fractions, we're left with 36/60, which reduces to 6/10, or 0.6 miles/minute.