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Amy Can Clean the House in 7 Hours 9139 \frac{1}{3} Hours

B) 3 Hours

C)

Question 20

Multiple Choice

Amy can clean the house in 7 hours. When she works together with Tom, the job takes 4 hours. How long would it take Tom, working by himself, to clean the house?


A) 9139 \frac{1}{3} hours

B) 3 hours

C) 101310 \frac{1}{3} hours

D) 9239 \frac{2}{3} hours

Correct Answer:

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