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A and B can do a piece of work in 20 days, B and C can do it in 60 days. If B alone can do it in 90 days, in how many days will A and C do it together?

Question

A and B can do a piece of work in 20 days, B and C can do it in 60 days. If B alone can do it in 90 days, in how many days will A and C do it together?
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Solution 1

Sure, let's solve this step by step:

Step 1: Find the work done by A and B together in one day. Since A and B can complete the work in 20 days, they can do 1/20 of the work in one day.

Step 2: Similarly, find the work done by B and C together in one day. Since B and C can complete the work in 60 d Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.

Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
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