document.write( "Question 694804: I need help with unit cancelling. If you planned to bike to a park that was 4.5 miles away, how fast do you need to pedal (in miles/hr) to get there in 75 minutes? \n" ); document.write( "
Algebra.Com's Answer #428206 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! If you planned to bike to a park that was 4.5 miles away, how fast do you need to pedal (in miles/hr) to get there in 75 minutes? \n" ); document.write( "---- \n" ); document.write( "Note: 75 min = (75/60) = 1 1/4 hrs = (5/4)hr \n" ); document.write( "------ \n" ); document.write( "Equation: \n" ); document.write( "rate = distance/time = 4.5 miles / (5/4)hr \n" ); document.write( "= (4*4.5)/5)mph \n" ); document.write( "= 18/5 mph \n" ); document.write( "= 3.6 mph \n" ); document.write( "============ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |