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|Math Forum, a Classic Problem from the Ask Dr. Math FAQ|
|Jack can paint a house in 5 days, and Richard can paint the same house in 7 days. Working together, how long will it take them to finish the job?|
|Levels:||Elementary, Middle School (6-8), High School (9-12)|
|Resource Types:||Frequently Asked Questions (FAQs)|
|Math Topics:||Basic Operations, Fractions/Decimals/Percents, Problem-Solving|
The Math Forum is a research and educational enterprise of the Drexel University School of Education.