James takes a trip and drives 7 hours from Town A to Town C at a rate of 30 miles per hour. On his way back, James drives 60 miles per hour and stops in Town B which is midway between Town A and Town C. How many hours does it take James to drive from Town C to Town B? Choose the most appropriate option.
A) 1.25
B) 1.75
C) 1.51
D) 1.55
E) 2.12
distance from A to C =7 hr* 30 mph= 210 miles   hence distance from Y to C= 1/2*210= 
<gadget id="calculator">1/2*210</gadget>
<output>105</output>
105   time=105/60= 
<gadget id="calculator">105/60</gadget>
<output>7/4 = around 1.75</output>
1.75 hrs   IMO: 1.75
<result>B</result>
James takes a trip and drives 7 hours from Town A to Town C at a rate of 30 miles per hour. On his way back, James drives 60 miles per hour and stops in Town B which is midway between Town A and Town C. How many hours does it take James to drive from Town C to Town B?