document.write( "Question 943418: what is the average speed:3.5 miles in 2 hours and 15 minutes
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Algebra.Com's Answer #575167 by stanbon(75887) ![]() You can put this solution on YOUR website! what is the average speed:3.5 miles in 2 hours and 15 minutes \n" ); document.write( " --------- \n" ); document.write( "speed = total distance/total time = 3.5 mi / 2 1/4 hr \n" ); document.write( "----- \n" ); document.write( "= (7/2)/(9/4) \n" ); document.write( "----- \n" ); document.write( "= (7/2)(4/9) \n" ); document.write( "------ \n" ); document.write( "= (7*2)/9 \n" ); document.write( "---- \n" ); document.write( "= 14/9 \n" ); document.write( "----- \n" ); document.write( "= 1.56 mph \n" ); document.write( "------------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "-------------- \n" ); document.write( " |