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Bob has a party at his house when his parents are gone bob estimates that if 9 friends help clean the house it will take 8 hours but after 2 hours of cleaning his parents tell him that they are 2 hours away how many friends does bob need in order to finish cleaning in time

User Cfreak
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Answer:

Bob needed 27 friends to help him clean.

Explanation:

User Ccampanale
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