Username13947 Username13947

02-05-2017
Mathematics

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Mark can clean his fathers office in 30 minutes his younger sister Lynn can you clean the office in 40 minutes how long will it take the two of them to clean the office

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Аноним Аноним

02-05-2017

10 minutes. 40-30=10 minutes. Therefore it would take Mark and Lynn ten minutes to clean their father's office

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NOCHILLL NOCHILLL

02-05-2017

10 minutes is the answer

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