Answer:
= 7.5 degrees per hour
Showing Work
This is a fraction equal to
15 degrees ÷ 2 hours
We want a unit rate where
1 is in the denominator,
so we divide top and bottom by 2
15 degrees ÷2 7.5 degrees
---------------- = ------------------ = 7.5 degreeshour2 hours ÷2 1 hour
= 7.5 degrees per hour