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Plz help question below

Plz help question below-example-1

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The relationship between all these x's and their corresponding y's is the fact that is you divide x/y you will get 2.5, therefore if you divide 2.5 by 200 you will get 80 minutes. So the answer is the second one.

User Qiong
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The answer is 80 minutes.

it would take 40 minutes to clean 100 square ft, double both to get your answer.
User Munim Munna
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