The speed of a car is 80 km in the first hour and 60 km in the second hour. What is the average speed of the car?  Choose the correct answer:
A) 76 kmph
B) 70 kmph
C) 87 kmph
D) 56 kmph
E) 86 kmph
S = (80 + 60)/2= 
<gadget id="calculator">(80 + 60)/2</gadget>
<output>70</output>
70 kmph   Answer: 70 kmph
<result>B</result>
The speed of a car is 80 km in the first hour and 60 km in the second hour. What is the average speed of the car?