S a r a s earnings 10 30 40 50 hours 1 2 3 4 5 identify the unit rate in the graph that are 815 letter B $27.50 letter c22.15 letter d45
To find the unit rate, divide the total earnings by the total hours worked.
For option B: $27.50 / 10 hours = $2.75 per hour
For option C: $22.15 / 30 hours ≈ $0.74 per hour
For option D: $45 / 50 hours = $0.90 per hour
So, the unit rate in the graph that is $8.15 is $2.75 per hour (option B).