SOLUTION: The OfficeJet Printer can copy Maria's Dissertation in 8 Minutes. The LaserJet can copy the same document in 14 minutes. If the two printers work together,how long will they take t

Question 202874: The OfficeJet Printer can copy Maria's Dissertation in 8 Minutes. The LaserJet can copy the same document in 14 minutes. If the two printers work together,how long will they take to copy the dissertation.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The OfficeJet Printer can copy Maria's Dissertation in 8 Minutes. The LaserJet can copy the same document in 14 minutes. If the two printers work together,how long will they take to copy the dissertation.
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OJ Printer DATA:
time = 8 min/job ; rate = (1/8) job/min
------------------------------
LJ Printer DATA:
time = 14 min/job ; rate = (1/14) min/job
------------------------------
Together DATA:
time = x min/job ; rate = (1/x) min/job
=========================================
Equation:
rate + rate = together rate
1/8 + 1/14 = 1/x
14x + 8x = 8*14
22x = 8*14
x = 5.09 minutes
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Cheers,
Stan H.
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