Answer:
The information needed is the number of hours Mark spent mowing the lawn.
[tex]H\text{. how many hours Mark spent mowing lawns}[/tex]Explanation:
Given that Mark mowed some lawns on Saturday and earned $32.
To determine the amount earned per hour mowing the lawns
[tex]\text{Amount per hour =}\frac{\text{ total amount earned}}{\text{ number of hours spent mowing}}[/tex]Therefore, the information needed is the number of hours Mark spent mowing the lawn.
[tex]H\text{. how many hours Mark spent mowing lawns}[/tex]