document.write( "Question 108846: Thor's avverage driving speed is 14 kil. per hour. faster than Doug's. In the same length of time it takes Thor to drive 348 kil., Doug drives only 292 kil. what is Thor's average speed? \n" ); document.write( "
Algebra.Com's Answer #79373 by checkley71(8403)\"\" \"About 
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DISTANCE=RATE*TIME.
\n" ); document.write( "OR TIME=DISTANCE/RATE.
\n" ); document.write( "348/(X+14)=292/X
\n" ); document.write( "NOW CROSS MULTIPLY.
\n" ); document.write( "348X=292(X+14)
\n" ); document.write( "348X=292X+4088
\n" ); document.write( "348X-292X=4088
\n" ); document.write( "56X=4088
\n" ); document.write( "X=4088/56
\n" ); document.write( "X=73 SPEED FOR DOUG.
\n" ); document.write( "348/(73+14)=292/73
\n" ); document.write( "348/87=4
\n" ); document.write( "4=4
\n" ); document.write( "
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