document.write( "Question 393276: driving 87 miles/hr how far would you go in 12 seconds \n" ); document.write( "
Algebra.Com's Answer #279135 by ptaylor(2198)![]() ![]() You can put this solution on YOUR website! Distance(d) equals Rate(r) times Time(t) or d=rt; r=d/t and t=d/r \n" ); document.write( "60 minutes=1 hour \n" ); document.write( "60 sec =1 minute \n" ); document.write( "So, 60*60=3600 sec in 1 hour\r \n" ); document.write( "\n" ); document.write( "Then 87 mi/hr=87 mi/(3600sec)=(87/3600)mi/sec, so: \n" ); document.write( "distance traveled in 12sec=(87/3600)mi/sec*12sec=87/300 mi=0.29 mi\r \n" ); document.write( "\n" ); document.write( "CK \n" ); document.write( "3600/12=300*0.29=87 mph\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Hope this helps---ptaylor \n" ); document.write( " \n" ); document.write( " |