Hello, Paymemoney!

Your work is correct . . .

If the price doubles, then will be twice the initial price

. . Hence: .

Got it?

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- Apr 8th 2010, 04:08 AM #1

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## log question

Hi

I need help on the following question:

If prices are increasing at the rate of 7.8% per year write down an equation for prices as a function of time. How long does it take for prices to double? How long does it take for prices to treble?

I have found the equation:

To find t i transpose the equation to get:

now i don't know how to find how long does it take for prices to double or treble, because what will the values be for P and Po?

P.S

- Apr 8th 2010, 04:37 AM #2

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- Apr 8th 2010, 04:53 AM #3

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