document.write( "Question 848707: Herman dries 60 mph for one hour and 80 mph for the next hour. What is his average speed? \n" ); document.write( "
Algebra.Com's Answer #511246 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! \"Herman dries 60 mph for one hour\" so he drove 60*1 = 60 miles so far\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Then drives \"80 mph for the next hour\" which means he drove another 80*1 = 80 miles\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "In total, 60+80 = 140 miles have been driven over 1+1 = 2 hours.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Average Speed = (140 miles)/(2 hours) = 70 miles per hour \n" ); document.write( " |