In this case you have:
An hour has sixty minutes.
<span>You must multiply by this equality.
</span>
<span>You must multiply by 60 and you can convert miles per minute to miles per hour.</span>
An hour has sixty minutes.
<span>You must multiply by this equality.
</span>
<span>You must multiply by 60 and you can convert miles per minute to miles per hour.</span>