document.write( "Question 845497: Hi. I need some help solving this problem please.\r
\n" ); document.write( "\n" ); document.write( "Jack can mow the baseball grounds in 6 hours; Mike can mow the same grounds in 5 hours and Chris can mow the grounds in 4 hours. How long will it take to mow the grounds if all 3 work together? (Leave the answer in improper fraction form)\r
\n" ); document.write( "\n" ); document.write( "This is what I came up with but i'm not too sure:
\n" ); document.write( " 1/6 + 1/5 + 1/4 = 1/t(time)
\n" ); document.write( " 10t + 12t + 15t= 37t
\n" ); document.write( " 37t/37 = 60/37 t=60/37\r
\n" ); document.write( "\n" ); document.write( "Thanks in advance.\r
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Algebra.Com's Answer #509312 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "1/6 + 1/5 + 1/4 = 1/t   Yes.  Good Work.
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document.write( "|Multiplying thru by  so as all denominators = 1
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document.write( " 10t + 12t + 15t = 60
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document.write( "    37t = 60
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document.write( "      t = 60/37 hrs
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