Solution: How long would it take to finish the work if all working together?

Three friends A, B, and C can do a piece of work in t hours working together. Working alone, A can do the work in 6 hours more, B in 1 how more, and C in twice the time if all working together. How long would it take to finish the work if all working together?

How long would it take to finish the work if all working together?

Problem Statement:

Three friends A, B, and C can do a piece of work in t hours working together. Working alone, A can do the work in 6 hours more, B in 1 how more, and C in twice the time if all working together. How long would it take to finish the work if all working together?

Problem Answer:

If all working together, three friends A, B, and C can do a piece of work in t = 2/3 hours or 40 minutes.

Solution:

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