A certain taxi company charges $2.50 for the first 1/5 of a mile plus $0.40 for each additional 1/5 of a mile. What would this company charge for a taxi ride that was 8 miles long?  Choose the correct choice from the following options:
A) 15.6  B) 18.1  C) 17.5  D) 18.7  E) 19.1
A certain taxi company charges $2.50 for the first 1/5= 
<gadget id="calculator">1/5</gadget>
<output>1/5 = around 0.2</output>
0.2 miles.   The cost of 8 miles long ride would be $2.50 for the first 0.2 miles plus (8-0.2)/0.2*0.4= $2.50 + $15.6 = $18.1.   Answer: 18.1.
<result>B</result>
A certain taxi company charges $2.50 for the first 1/5 of a mile plus $0.40 for each additional 1/5 of a mile. What would this company charge for a taxi ride that was 8 miles long?