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 4 kilometers by car. What is the distance, in kilometers, from the dormitory to the city?  Choose the correct choice from the following:
A) 30
B) 45
C) 60
D) 90
E) 120
Whole trip = distance by foot + distance by bus + distance by car   x = 1/5x + 2/3x + 4   x - 13/15x = 4   2/15x = 4 =&gt; so x = (15/2)*4= 
<gadget id="calculator">(15/2)*4</gadget>
<output>30</output>
30Km   30nswer 30
<result>A</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 4 kilometers by car. What is the distance, in kilometers, from the dormitory to the city?