document.write( "Question 123732: John can mow his yard in 2 hours. His sister can mow the yard in 2.5 hours. How long will it take for them to mow their yard together. \n" ); document.write( "
Algebra.Com's Answer #90769 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! 2*2.5/(2+2.5)=5/4.5=1.1111 hours to mow the job working together. \n" ); document.write( " |