Answer:
Manuela earns $10 for each hour of tutoring.
Explanation:
We can get our answer by looking at an ordered pair in the graph below.
(2,20)
The x-value 2 means 2 hours worked and the y-value 20 means $20 earned. We can find out how much she earned in 1 hour by dividing,
$20 / 2 hours = $10