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I know this sounds stupid but I have forgotten how to calculate estimated numbers.
So is the sum of the three months totals 85 (for example 20+30+35), and you wonna find the average total per month? If that's what you want to do, then yes.. This should be in the help me section btw..
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We aren't entirely clear on your question, but I will answer this line:
If you have just one month and want to estimate for 3 months, the easiest way is to multiply by 3.
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