Answer:
Chris charges more per acre than Joe
Step-by-step explanation:
Joe charges $40 to mow 2 acres.
So, Joe charges per acre = 40/2 = $20
Chris charges $30 to mow 1.2 acres.
So, Chris charges per acre = 30/1.2 = $25
∵ 25 > 20
So, Chris charges more per acre than Joe