SOLUTION: One printer can print Mark's project in 12 minutes . Another printer can print his project in 42 minutes. If the two printers work together how long would they take to print the p
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Question 993555: One printer can print Mark's project in 12 minutes . Another printer can print his project in 42 minutes. If the two printers work together how long would they take to print the project
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Unit for rate is . The rates of the printers working together are additive.
and you are looking for , which you want to simplify.
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