document.write( "Question 886337: diana can decorate 15 cookies in an hour; jane can decorate 15 cookies in two hours. how many hours would it take to decorate 60 cookies if they worked together? \n" ); document.write( "
Algebra.Com's Answer #535859 by JulietG(1812)![]() ![]() You can put this solution on YOUR website! Diana decorates 15 cookies per hour \n" ); document.write( "Jane decorates 7.5 cookies per hour \n" ); document.write( "Total per hour for both combined is 22.5 cookies per hour \n" ); document.write( "60 / 22.5 = 2 |