document.write( "Question 261617: Jack usually mows his lawn in 5 hours. Marilyn can mow the same yard in 4 hours. How much time would it take for them to mow the lawn together?\r
\n" ); document.write( "\n" ); document.write( "They could mow the lawn in ? hours if they worker together.\r
\n" ); document.write( "\n" ); document.write( "(Simplify your answer. Type an integer, proper fraction, or mixed number.)\r
\n" ); document.write( "\n" ); document.write( "Thank you in advance to anyone who can help me with this problem!!!!
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Algebra.Com's Answer #192735 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
x/5+x/4=1\r
\n" ); document.write( "\n" ); document.write( "9x=20
\n" ); document.write( "x=20/9
\n" ); document.write( "You get to finish it if you need to reduce it.
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