In traveling from a dormitory to a certain city, a student went 1/5 of the way by foot, 2/3 of the way by bus, and the remaining 10 kilometers by car. What is the distance, in kilometers, from the dormitory to the city?	Select the correct option
A) 30  B) 45  C) 62  D) 90  E) 120
I believe there is a better way to do it.   Basically one of the options should satisfy the given criteria.   60 did    1/5 *60= 
<gadget id="calculator"> 1/5 *60</gadget>
<output>12</output>
12   2/3*60= 
<gadget id="calculator">2/3*60</gadget>
<output>40</output>
40   so total distance   52 + remaining 10=62   Answer 62
<result>C</result>
In traveling from a dormitory to a certain city, a student went 1/5 of the way by foot, 2/3 of the way by bus, and the remaining 10 kilometers by car. What is the distance, in kilometers, from the dormitory to the city?