SOLUTION: A company's has a new printer can print checks three times faster than its old printer. with both printers operating ,the checks can be printed in 6 minutes. how long would it take

Question 323592: A company's has a new printer can print checks three times faster than its old printer. with both printers operating ,the checks can be printed in 6 minutes. how long would it take to print the checks with the new printer only ?''
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
In words:
(printing rate of old printer) + (printing rate of new printer) = (printing rate together)
And, making this more detailed:
(o.p. rate in checks/min) + (n.p. rate in checks/min) = (rate together in checks/min)
Let old printer's rate = checks/min
given:
New printer's rate = checks/min
Printing rate together = one check printing job/min
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Note that I am calling all the checks printed = 1 printing job

So, the old printer's rate is 1 check printing job in 24 min

So, the new printer's rate is 1 check printing job in 8 min
check answer:

OK
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