document.write( "Question 252117: You take a trip traveling first by taxi, then by plane, then by bicycle, and finally by walking the remaining distance to your destination. The 75-mile taxi ride from your home to the airport takes 90 minutes. The 7500-mile plane trip takes 15 hours. The 500-mile bicycle trip takes 48 hours. The 5-mile walk takes 150 minutes. Your average speed for the entire trip is approximately:\r
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Algebra.Com's Answer #183886 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
add up all the small trips by distance and time
\n" ); document.write( "75+7500+500+5=distance=d= 8080 miles
\n" ); document.write( "1.5+15+48+150/60=time=t= 67 hours
\n" ); document.write( "d=r*t
\n" ); document.write( "rate(speed) =d/t=120 40/67=120.6 mph
\n" ); document.write( "c. 120.6 mph\r
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