Two computers working together can finish a search in 40 seconds. one of these computers can finish in 60 seconds. how long would it take the second computer to finish the same search?

The second computer completes the search in 120 seconds.

SOLUTION:

Given, two computers working together can finish a search in 40 seconds.  One of these computers can finish in 60 seconds.  

So, work done by this computer in 1 second [considering work as 1 unit ]

We have to find the time taken for the second computer to finish the same search.

Let the time taken by second computer be n seconds, then work done in 1 second

So, now, together in 1 second their work will be

We are given that, it took 40 seconds to complete whole search,

i pretty sure it is

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step-by-step explanation:

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