Jareds cat can travel 300 miles on one tank of gas. The gad tank of his car holds 18 gallons, an 1 gallon of gasoline costs $3.50. What is the cost of gas per mile for Jared?

A$0.17 per mile
B$0.21 per mile
C$1.70 per mile
D$2.10 per mile

Please explain the work you have to do to get the answer