document.write( "Question 226093: Bronson roared off on his motorcycle at 60 mph. Then, much to his chagrin, he ran out of petrol. He pushed the motorcycle all the way back at 3 mph. If the entire trip took 21 hours, how far did he push the motorcycle? \n" ); document.write( "
Algebra.Com's Answer #168491 by checkley77(12844)\"\" \"About 
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60X=3(21-X)
\n" ); document.write( "60X=63-3X
\n" ); document.write( "60X+3X=63
\n" ); document.write( "63X=63X=63/63
\n" ); document.write( "X=1 ANS. MILE IS THE DISTANCE TRAVELS @ 60 MPH & 3 MPH.
\n" ); document.write( "PROOF:
\n" ); document.write( "60*1=3(21-1)
\n" ); document.write( "60=3*20
\n" ); document.write( "60=60
\n" ); document.write( "
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