19375766
Description
Mind Map by lizabeth rawson, updated more than 1 year ago
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Created by lizabeth rawson
over 4 years ago
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compound Growth and decay
- Formula: N= N₀ x (multiplier)ⁿ
- N is the amount after day/hours/years
- N₀ is the initial amount
- the multiplier is the percentage
change, eg 5% is 1.05
- ⁿ is the number of days/hours/years
- N is the amount after day/hours/years
- Compound interest means that the intest is added on each time
- to find the original sample, you divide the amount
after days/hours/years by the (multiplier)ᵑ
- a $6500 car depreciates by 9% anualy,
how much will it cost after 3 years
- 6500 x (0.91)³
- $4898.21
- $4898.21
- 6500 x (0.91)³
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