Answer:
The unit rate of $10 per hour.
Step-by-step explanation:
Given



See attachment for graph
Required
What does the given point represents
From the attachment, the origin of the graph is:

and we have the given point to be:
Calculate the slope (m)




The slope represents $10/1 hour
Hence:
means the unit rate is $10 per hour
Given
Segment Addition Postulate
Transitive Property of Equality
Answer:510+510=1020
Step-by-step explanation: