document.write( "Question 1193072: One machine labels 1200 cans in one hour and a second machine labels 900 cans in an hour. If the faster machine starts 1 hour before the slower, how long will it take to label 8200 cans? \n" ); document.write( "

Algebra.Com's Answer #825017 by josgarithmetic(39621) $\"\"$ $\"About$

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document.write( "                    SPEED cans per hour          \r\n" );
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document.write( "ONE MACHINE           1200                        \r\n" );
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document.write( "SECOND MACHINE         900                       \r\n" );
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\n" ); document.write( "\n" ); document.write( "The two machines worked together for x hours. The fast machine worked alone for only 1 hour.\r
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\n" ); document.write( "\n" ); document.write( " $\"1200%2A1%2B%281200%2B900%29%2Ax=8200\"$ \r
\n" ); document.write( "\n" ); document.write( "-\r
\n" ); document.write( "\n" ); document.write( " $\"1200%2B2100x=8200\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"2100x=8200-1200\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"21x=82-12\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x=70%2F21\"$
\n" ); document.write( " $\"x=%287%2A2%2A5%29%2F%287%2A3%29=10%2F3\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"highlight_green%28x=3%261%2F3%29\"$ $\"hours\"$ \r
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\n" ); document.write( "\n" ); document.write( "TOTAL Time was $\"highlight%284%261%2F3%29\"$ hours. \n" ); document.write( "

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