Adams dad takes the parkway to work. it takes him 45 minutes to travel from mile marker 145 where he enters the parkway to his exit at mile marker 98. what is his average speed? a. 193.3 mph b. 1 mph c. 47 mph d. 62.7 mph

Here, Distance = 145 - 98 miles = 47 miles
Time Taken = 45 minutes = 3/4 hours

We know, Speed = Total Distance / Time Taken

Substitute their values in to the expression :
Speed = 47 / 3/4
Speed = 47*4 / 3
Speed = 188 / 3
Speed = 62.666
After round-off to the nearest tenth, it would be: 62.7

So, option D is your correct answer.

Hope this helps!
 

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