document.write( "Question 887320: Using his riding lawnmower, John can mow a baseball field in two hours. John’s son, Logan, using a
\n" ); document.write( "smaller lawnmower, can mow the same field in five hours. How long would it take them to mow the
\n" ); document.write( "baseball field working together?
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Algebra.Com's Answer #536518 by lwsshak3(11628)\"\" \"About 
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Using his riding lawnmower, John can mow a baseball field in two hours. John’s son, Logan, using a
\n" ); document.write( "smaller lawnmower, can mow the same field in five hours. How long would it take them to mow the
\n" ); document.write( "baseball field working together?
\n" ); document.write( "***
\n" ); document.write( "let x=time it would take them to mow the baseball field working together?
\n" ); document.write( "1/2=John's work rate
\n" ); document.write( "1/5=son's work rate
\n" ); document.write( "1/x=work rate working together
\n" ); document.write( "sum of indv. work rates=work rate working together
\n" ); document.write( "..
\n" ); document.write( "\"1%2F2%2B1%2F5=1%2Fx\"
\n" ); document.write( "\"5%2F10%2B2%2F10=1%2Fx\"
\n" ); document.write( "7/10=1/x
\n" ); document.write( "x=10/7
\n" ); document.write( "How long would it take them to mow the baseball field working together? 10/7 hrs
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