document.write( "Question 856633: I need help!! a passenger plane left Tokyo and flew south. 2 hours later a jet left flying at 275 mph in an effort to catch up to the passenger plane. After flying for 9 hours the jet finally caught up. Find the passenger plane's average speed. \n" ); document.write( "
Algebra.Com's Answer #516092 by lwsshak3(11628)\"\" \"About 
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a passenger plane left Tokyo and flew south. 2 hours later a jet left flying at 275 mph in an effort to catch up to the passenger plane. After flying for 9 hours the jet finally caught up. Find the passenger plane's average speed.
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\n" ); document.write( "let x=passenger plane's average speed.
\n" ); document.write( "travel time of passenger plane=2+9=11 hrs
\n" ); document.write( "distance=travel time*speed (equal for both planes)
\n" ); document.write( "..
\n" ); document.write( "11x=9*275
\n" ); document.write( "x=225
\n" ); document.write( "passenger plane's average speed=225 mph
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