document.write( "Question 583790: Jenna ran 2 miles in 12 minutes. How fast was jenna running in miles per hours? \n" ); document.write( "
Algebra.Com's Answer #372598 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Jenna ran 2 miles in 12 minutes. How fast was jenna running in miles per hours? \n" ); document.write( "---------- \n" ); document.write( "12 mins = 1/5 hours \n" ); document.write( "d = r*t \n" ); document.write( "r = d/t = 2 mi/(0.2) hr \n" ); document.write( "r = 10 mi/hr \n" ); document.write( "============ \n" ); document.write( "Or, \n" ); document.write( "r = 2/12 mi/min * 60 min/hr = 120/12 mi/hr (notice how the units cancel if you do it right) \n" ); document.write( "= 10 mi/hr \n" ); document.write( "Whichever you prefer \n" ); document.write( " \n" ); document.write( " |