2006 State Agricultural Mechanics Written Examination

The speed of a combine is 4.6 miles per hour. The combine has a grain head that is 40 feet wide. How many acres can be harvested if the farmer begins at 7:00 a.m. and worked until 10:00 p.m., stopping a total of 4 hours for lunch, service and to unload the harvested grain? (Acres/hour = width of machinery x speed in miles/hour) ................
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