document.write( "Question 536251: \"A train travels 20 feet in 1/5 second. At this same speed, how many feet will it travel in three seconds?\" (Thank you for this service :) \n" ); document.write( "
Algebra.Com's Answer #352220 by fcabanski(1391)\"\" \"About 
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D = rt where D is distance, r is rate (speed) and t is time. In this problem D=20ft., t = 1/5 second = .2 second.


\n" ); document.write( "20 = .2r (Divide both sides by .2)

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\n" ); document.write( "\n" ); document.write( "100 ft/s = r.


\n" ); document.write( "For the second part r is still 100 ft/s, and time is 3 seconds.


\n" ); document.write( "D=RT = 100*3 = 300 feet.\r
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