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Solve the Problem. -Tracy Can Wallpaper 2 Rooms in a New House in New

Question 327

Multiple Choice

Solve the problem.
-Tracy can wallpaper 2 rooms in a new house in 4 hours. Together with her trainee they can wallpaper the2 rooms in 3 hours. How long would it take the trainee working by herself to do the job?


A) 18 hr
B) 4 hr
C) 22 hr
D) 36 hr

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