document.write( "Question 314571: Cy decided to go to his high school reunion in another city. He was able to hitch a ride with a friend and the journey took 10 hours averaging 55 mph. Cy needed to return home by plane. The trip took 1/6 of the time. What was the average speed of the plane? \n" ); document.write( "
Algebra.Com's Answer #225062 by checkley77(12844)\"\" \"About 
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10*55=550 MILES IS THE DISTANCE TRAVELED.
\n" ); document.write( "10X/6=550 CROSS MULTIPLY.
\n" ); document.write( "10X=6*550
\n" ); document.write( "10X=3,300
\n" ); document.write( "X=3,300/10
\n" ); document.write( "X=330 MPH IS THE SPEED OF THE PLANE.
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