How many seconds does Sandy take to cover a distance of 700 meters, if Sandy runs at a speed of 18 km/hr?
Choose the most appropriate option.
A) 100 B) 120 C) 140 D) 160 E) 180
18 km/hr = 18000 m / 3600 s = 5 m/s   time = 700 / 5= 
<gadget id="calculator">700 / 5</gadget>
<output>140</output>
140 seconds   The answer is 140.
<result>C</result>
How many seconds does Sandy take to cover a distance of 700 meters, if Sandy runs at a speed of 18 km/hr?