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24-04-2017
Mathematics

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Robin can clean 72 rooms in 6 days how many rooms can Robin clean in 9 days?

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24-04-2017

108, you can find it by finding out how many rooms per day she can clean, which happens to be 12, and then multiply 12 and 9 to get 108

or you can set up a proportion if you know how to do that

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