document.write( "Question 993957: Wendy took a trip from city A to city B, a distance of 910 mi. She traveled part of the way by bus, which arrived at the train station just in time for Wendy to complete her journey by train. The bus averaged 30 mi/h, and the train averaged 115 mi/h. The entire trip took
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\n" ); document.write( " How long did Wendy spend on the train?
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Algebra.Com's Answer #613132 by lwsshak3(11628)\"\" \"About 
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Wendy took a trip from city A to city B, a distance of 910 mi. She traveled part of the way by bus, which arrived at the train station just in time for Wendy to complete her journey by train. The bus averaged 30 mi/h, and the train averaged 115 mi/h. The entire trip took
\n" ); document.write( "10 1/2h.
\n" ); document.write( "How long did Wendy spend on the train?\r
\n" ); document.write( "\n" ); document.write( "let x=distance Wendy traveled by bus
\n" ); document.write( "910-x=distance Wendy traveled by train
\n" ); document.write( "distance/speed=travel time
\n" ); document.write( "x/30+(910-x)/115=10.5
\n" ); document.write( "lcd: (30)(115)
\n" ); document.write( "115x+30(910-x)=10.5* (30)(115)
\n" ); document.write( "115x+27300-30x=36225
\n" ); document.write( "85x=8925
\n" ); document.write( "x=105
\n" ); document.write( "910-x=805=(distance Wendy traveled by train)
\n" ); document.write( "805/115=7
\n" ); document.write( "How long did Wendy spend on the train? 7 hrs\r
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