Taryn and Alastair both mow lawns. Each charges a flat fee to mow a lawn. The table shows the number of lawns mowed in the past week, the time spent mowing lawns, and the money earned.
Number of Lawns Mowed Time Spent Mowing Lawns (in hours) Money Earned
Taryn 9 5.5 $103.50
Alastair 7 9 $108.50
How much does Taryn charge to mow a lawn?
Taryn charges $_________ per lawn