Question

Asked Feb 1, 2020

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A person can fill and order in 7 hours. A new operator can complete the same job in 8. How long will it take them to finish the job togther?

Step 1

To determine the time required to complete the task together.

Step 2

**Given:**

A can do the task in 7 hr and B can do the task in 8 hr.

Step 3

A can complete the task in 7 hr.

In one hour, A can do 1/7 of the task.

B can complete the task in 8 hr.

In one hour,...

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