Harvester

Harvester has a cutting width of 4 m, and harvested grain in the field is 87 meters wide. Harvester moves along the field's length for six minutes; going back (without cutting) takes half the time. Each turn at the end field takes one minute. How many hours and minutes are needed to harvest the whole field?

Result

h = 3:13 hh:mm Wrong answer

Step-by-step explanation:

h=((87/4) (6+6/3+1)6/31)/60=80257=3.2125=3:13 hh:mm



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