Math Problem Statement
Hvor mange år tar det før et innskudd på 1000 kr har doblet seg hvis banken tilbyr rente på 5%
Solution
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Math Problem Analysis
Mathematical Concepts
Exponential Growth
Doubling Time
Logarithms
Interest Rates
Formulas
Doubling Time Approximation: t ≈ 72 / r
Exponential Growth Formula: A = P(1 + r/100)^t
Logarithmic Formula: t = log(2) / log(1 + r/100)
Theorems
Rule of 72
Logarithmic Function
Suitable Grade Level
Grades 9-12
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