document.write( "Question 848431: How many miles per hour do you need to run so you can run 1/4 mile in 55 seconds \n" ); document.write( "
Algebra.Com's Answer #511073 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! Hint: 60 miles an hour is one mile a minute. \n" ); document.write( "1/4 mile in 55 seconds is about a mile in 4 minutes. So it will be roughly 60/4=15 mph\r \n" ); document.write( "\n" ); document.write( "r*t=d \n" ); document.write( "r*55/(60*60)=.25 \n" ); document.write( "(11 r)/720 = 0.25 \n" ); document.write( "r = 16.3636 mph\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |