Calculating the Period of an Investment (Grade 12 NSC Matric Mathematics): Quizzes

The value of $n$ (time period)

Accumulated amount (final value)

Divide both sides by $P$

$n = \frac{\log(A/P)}{\log(1 + i)}$

$0.075$

Round up to next whole number

Easier on standard calculators

Not converting percentage to decimal

11 years

Check answer makes practical sense