Carlos earns $20 for cutting his neighbor’s lawn. It took him 2 1/2 hours. Marie earns $46 selling lemonade at a farmer’s market for 5 3/4 hours. Who earns more per hour? a. Marie earns more per hour than Carlos.

b. Carlos earns more per hour than Marie.

c. Marie and Carlos make the same amount per hour.

d. It is impossible to tell who earns more per hour based on the given information.