document.write( "Question 964722: It takes John 4 times as long as it takes Jessica to mow a lawn. If it took them both 11 hours to mow the lawn, how long would it take John to mow the lawn alone? \n" ); document.write( "
Algebra.Com's Answer #589890 by addingup(3677)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "4times Jessica + Jessica= 11 In one hour: \n" ); document.write( "1/4j+1/j= 1/11 Multiply all denominators by 11j \n" ); document.write( "11/4+11= j \n" ); document.write( "11/4+44/4= j \n" ); document.write( "55/4=j \n" ); document.write( "j= 13.75 hours it takes John. And Jessica? Well, 13.75/3= 3.44 hours. \n" ); document.write( " \n" ); document.write( " |