By Elias Saab and Daniel E. Saab.
(Copyright saab.org 1998-2010)
| New Problem: The first painter can finish a paint job in 4 hours. The second painter can finish the same job in 5 hours. How long would it take them to finish the job if they are working together. You can give the answer as a fraction m/n. Write your answer below: |
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Preparation Tests From Morrison Media LLC