How many seconds does Sandy take to cover a distance of 500 meters, if Sandy runs at a speed of 18 km/hr?
Choose the correct choice from the following answers:
A) 80
B) 100
C) 120
D) 140
E) 160
18 km/hr = 18000 m / 3600 s = 5 m/s   time = 500 / 5= 
<gadget id="calculator">500 / 5</gadget>
<output>100</output>
100 seconds   The answer is 100.
<result>B</result>
How many seconds does Sandy take to cover a distance of 500 meters, if Sandy runs at a speed of 18 km/hr?