document.write( "Question 981792: Debbie finished her first marathon in approximately 5.2 hours. She was able to complete her most recent marathon in about 3.9 hours. By what percent did her time decrease? \n" ); document.write( "
Algebra.Com's Answer #602790 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "5.2 hours - 3.9 hours \n" ); document.write( "= 1.3 hours \n" ); document.write( "1.3/5.2 X 100 = 25% decrease. \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |