6 The average production of the excavator is the controlling factor in a highway ditch cleanin contract Excavators with four

Question

6 The average production of the excavator is the controlling factor in a highway ditch cleanin contract Excavators with four different bucket sizes are available as rental units The hourly renta rate is directly proportional to the bucket capacity of the excavator Assume that productio loose yd hr is equal to excavator cycles per hour x average bucket payload in LCY per cycle The excavator characteristics are as follows 0 0 0 0 Excavator O A B C D 1 2 3 4 Minimum Cycle Average Bucket Payload Time min LCY 0 50 1 00 1 75 2 00 The optimally efficient excavator is Excavator 1 Excavator 2 Excavator 3 Excavator 4 0 25 0 33 0 50 0 98

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