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Snezhnost [94]
3 years ago
6

A person can do a job in 6 days. Another can do the same job in 4 days. If they work together, how long do they need to finish t

he job?
Mathematics
1 answer:
stepan [7]3 years ago
8 0

Answer:

5 days

Step-by-step explanation:

This would have to do with average. So if one does it in 6 days and the other does it in 4 days, you would do the number between them. So 5 is between 4 and 6.

The more complicated way of thinking of it is like this...

add 6 and 4           6+4     that  would  =   10

Because we added two numbers, we have to divide by two.

10/2      which equals 5.

If it was numbers closer together like. 6 and 7 the middle numbeR would be 6.5 for example.

I hope this helped!!

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So, when doing this kind of notation (scientific notation), this is pretty much like braking down the number,and trying to make it more simple.

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Step-by-step explanation:

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