Multiple Choice
-Refer to the graph above to answer this question.The graph shows a tennis coach charges $20 per hour for tennis lessons for adults and $10 per hour for tennis lessons for children.What is the total revenue of the tennis coach?
A) $20.
B) $30.
C) $80.
D) $110.
E) Cannot be determined.
Correct Answer:

Verified
Correct Answer:
Verified
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