document.write( "Question 263122: Tom took a trip of 1,300 miles. He traveled by train at 50 miles an hour and the same number of hours by plane at 275 mph. How many hours did the trip take? \n" ); document.write( "

Algebra.Com's Answer #193864 by drk(1908) $\"\"$ $\"About$

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This is an RTD question . Here is a chart based on the above information:
\n" ); document.write( "mode . . . . . . . . rate . . . . . . . . . .time . . . . . . . . . .distance
\n" ); document.write( "plane. . . . . . . . .275. . . . . . . . . . . t. . . . . . . . . . . . . .275t
\n" ); document.write( "train. . . . . . . . . 50 . . . . . . . . . . . .t. . . . . . . . . . . . . .50t
\n" ); document.write( "totals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1300
\n" ); document.write( "look at last column, we get
\n" ); document.write( " $\"275t+%2B+50t+=+1300\"$
\n" ); document.write( " $\"325t+=+1300\"$
\n" ); document.write( " $\"t+=+4+hrs\"$
\n" ); document.write( "4x2 = 8 hours. \n" ); document.write( "

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