#### Answer

Linear equation:
$C=0.51x+200$
Answer to the question:
It will cost the company $269.87 if a sales representative drives 137 miles on any given day.

#### Work Step by Step

Linear equation:
If $x$ is the number of miles driven, then one can multiply the number of miles driven with the amount paid per mile($0.51), and then add the 200 per day.