Prevent idle time on the part of the power shovel

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Reference no: EM132100822

A highway construction firm is working on a cut-and-fill stretch of roadway for which dump trucks and power shovels are the primary equipment being used. Time studies reveal the following time values (minutes):

Time to load a truck: 10

Travel time to dumping point: 15

Dumping time: 2

Return time: 12

(a) What is the minimum number of trucks that will prevent idle time on the part of the power shovel?

(b) Suppose that it costs $125 per hour to operate the power shovel and $75 per hour to operate each truck. How many trucks should be assigned to the job to minimize the cost per truckload hauled?

Reference no: EM132100822

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