document.write( "Question 880334: John can mow the yard in 3 hours. Fred can mow the yard in 2 hours. How long will it take if they work together? \n" ); document.write( "
Algebra.Com's Answer #531381 by josgarithmetic(39616)\"\" \"About 
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\"Mow the lawn\" is 1 job. View the rate as JOBS per HOUR.\r
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\n" ); document.write( "\n" ); document.write( "Question is, how long for John and Fred working together:\r
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