The number of all crashes recorded at an intersection in a y…

The number of all crashes recorded at an intersection in a year was 45, and the average 24-hr volume entering from all approaches was 15,500 veh.  Determine the crash rate per million entering vehicles (RMEV). (Please show all work as best as possible and type out anything that you would like to clearly articulate)

It is observed that 120 crashes occurred on an 18-mile long…

It is observed that 120 crashes occurred on an 18-mile long section of highway in one year. The ADT on the section was 25,000 vehicles. Determine the rate of total crashes per 100 million vehicle-miles. (Please show all work as best as possible and type out anything that you would like to clearly articulate)