If it takes 30 minutes to mow 1 acre of turf with a ride-on mower, about how long would it take to mow Jesse Owens soccer field? If it takes 2 hours to mow 1 acre of turf with an autonomous  mower, about how long would it take to mow Jesse Owens soccer field?  单项选择题

A

4 hours and 16 hours

B

3 hours and 12 hours

C

2 hours and 8 hours

D

1 hour and 4 hours

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