document.write( "Question 1139611: siam can mow a lawn in 60 minutes. larry can mow the same lawn in 30 minutes . How long does it take for both Siam and Larry to mow the lawn if they are working together \n" ); document.write( "

Algebra.Com's Answer #760097 by josmiceli(19441) $\"\"$ $\"About$

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Add their rates of working to
\n" ); document.write( "get their rate working together
\n" ); document.write( "Let $\"+t+\"$ = their time working together
\n" ); document.write( " $\"+1%2F60+%2B+1%2F30+=+1%2Ft+\"$
\n" ); document.write( "Multiply both sides by $\"+60t+\"$
\n" ); document.write( " $\"+t+%2B+2t+=+60+\"$
\n" ); document.write( " $\"+3t+=+60+\"$
\n" ); document.write( " $\"+t+=+20+\"$
\n" ); document.write( "Working together it takes
\n" ); document.write( "them 20 min
\n" ); document.write( " \n" ); document.write( "

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