SOLUTION: 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

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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?
Answer by josgarithmetic(39620)   (Show Source): You can put this solution on YOUR website!
                    SPEED cans per hour          

ONE MACHINE           1200                        

SECOND MACHINE         900

The two machines worked together for x hours. The fast machine worked alone for only 1 hour.


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TOTAL Time was hours.
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