how many seconds does sandy take to cover a distance of 600 meters, if sandy runs at a speed of 15 km / hr?	Select the correct option:
A) 128
B) 136
C) 144
D) 152
E) 160
<gadget id="calculator">10 / 36</gadget>
<output>5/18 = around 0.277778</output>

<gadget id="calculator">15 * (5/18)</gadget>
<output>25/6 = around 4.166667</output>

<gadget id="calculator">600 / (25/6)</gadget>
<output>144</output>

<result>C</result>
how many seconds does sandy take to cover a distance of 600 meters, if sandy runs at a speed of 15 km / hr?
divide(600, multiply(15, const_0_2778))
"15 km / hr = 15000 m / 3600 s = ( 150 / 36 ) m / s = ( 25 / 6 ) m / s time = 600 / ( 25 / 6 ) = 144 seconds the answer is c ."