document.write( "Question 427291: a train moving at a constant speed travels 180 miles in 4 hours. how far does the train travel in 7 hours? \n" ); document.write( "
Algebra.Com's Answer #297151 by stanbon(75887)\"\" \"About 
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a train moving at a constant speed travels 180 miles in 4 hours. how far does the train travel in 7 hours?
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\n" ); document.write( "time and distance are directly related so
\n" ); document.write( "you can use a proportion to solve.
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\n" ); document.write( "Proportion:
\n" ); document.write( "d/7 = 180/4
\n" ); document.write( "d = 7(45)
\n" ); document.write( "d = 315 miles
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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