A train 90 meters long completely crosses a 200 meters long bridge in 36 seconds. What is the speed of the train is? Pick one:	A) 29	B) 40	C) 25	D) 66	E) 09
S = (90 + 200)/36 = 290/36 * 18/5= 
<gadget id="calculator">290/36 * 18/5</gadget>
<output>29</output>
29   29nswer: 29
<result>A</result>
A train 90 meters long completely crosses a 200 meters long bridge in 36 seconds. What is the speed of the train is?