Asked by Tiffany
A manuscript needs to be printed. One printer can do the job in 60 minutes and the other can do it in 40 minutes. How long would it take if both printers were used?
Answers
Answered by
Scott
they each do a fraction of the job
(t / 40) + (t / 60) = 1
(t / 40) + (t / 60) = 1
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