document.write( "Question 639327: a 180 m train took 30 seconds to pass a bridge in a specific speed. With a same condition, the train passed a bridge two times longer. What is the speed of the train? \n" ); document.write( "
Algebra.Com's Answer #402695 by radh(108)\"\" \"About 
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Does the question give you how long the bridge is? Our problem is incomplete without some measure of distance to assess speed. \n" ); document.write( "
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