SOLUTION: The officejet printer can copy lisa's dissertation in 10 min. the laserjet can copy the same document in 16 min. If the two machines wor together, how long would they take to copy
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Question 241668: The officejet printer can copy lisa's dissertation in 10 min. the laserjet can copy the same document in 16 min. If the two machines wor together, how long would they take to copy the dissertation?
Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
One copier can do 1/10 of the job a minute. The other one can do 1/16 in a minute
Together they can do
of the job per minute
How long to do the whole job?
minutes
So the two together can do the job in about 6 minutes an 1o seconds
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