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Question 163

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Solve the problem and answer the question.
-A painter can finish painting a house in 7 hours. Her assistant takes 9 hours to finish the same job. How long would it take for them to complete the job if they were working together?


A) Solve the problem and answer the question. -A painter can finish painting a house in 7 hours. Her assistant takes 9 hours to finish the same job. How long would it take for them to complete the job if they were working together? A) B) 8 hr C) D) 6 hr
B) 8 hr
C) Solve the problem and answer the question. -A painter can finish painting a house in 7 hours. Her assistant takes 9 hours to finish the same job. How long would it take for them to complete the job if they were working together? A) B) 8 hr C) D) 6 hr
D) 6 hr

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