# Question #613e0

##### 1 Answer

To have these counts the percentage has to be different.

Approximately

#### Explanation:

You have what I call 'cycle' calculation system of type

You have what I call continuous calculation system

I have come across the comment that banks do not use the second one to calculate interest they owe us as it would cost them more.

In other words

Apparently it is normal practice when dealing with populations to use the

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Important: The unit of measurement for percentage is % and % is worth

Set time span as

Set original condition population count as

Set population count at time

Set unknown percentage as

Then initial condition is such that:

but

For info only

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Divide both sides by 100