Question
Jan Villaroel
Topic: Algebra Posted 1 year ago
A can do a job in 10 days, B in 15 days, and C in 20 days. How long will it take them to complete the job working together?

A can do a job in 10 days, B in 15 days, and C in 20 days. How long will it take them to complete the job working together?


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