# Hepburnâ€™s Speed Model

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In Hepburn's Speed Model, the coefficients of vehicles are indicated for C and D. As the Chief of Operations in your organization, you are responsible for presenting the yearly budget for the semi-trucks in your company's inventory. Since your safety officer is insisting that each of your drivers must maintain an average speed of 55mph, what would be the vehicle operating cost of your company for each semi-truck in cent per mile?

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#### Solution Preview

Since the average speed is 55 mph, use the following formula:

VOC = a0 - a1 * S + a2 * S^2

We use the following values for semi ...

#### Solution Summary

The solution uses the Hepburn's Speed Model to calculate the vehicle operating cost of a company in multiple steps.

$2.49