document.write( "Question 1093057: 3 people take 2 hours to pack 50 bricks.how many hours wil 5 people take? \n" ); document.write( "

Algebra.Com's Answer #707671 by josgarithmetic(39620) $\"\"$ $\"About$

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r, rate for one person
\n" ); document.write( "x, unknown time\r
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\n" ); document.write( "\n" ); document.write( " $\"system%283r%2A2=50%2C5r%2Ax=50%29\"$ \r
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\n" ); document.write( "\n" ); document.write( "50 bricks in both parts of the description.
\n" ); document.write( " $\"3r%2A2=5r%2Ax\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"6=5x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x=6%2F5\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x=1%261%2F5\"$ ------------- 1 hour 12 minutes \n" ); document.write( "

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