EM-1601

Changing the subject of a formula

E Math · Secondary 4 · Medium · Changing the subject of a formula

1. $P=\dfrac{A}{\left(1+\frac{r}{100}\right)^n}$
2. $P=A\left(1+\frac{r}{100}\right)^n$
3. $P=\dfrac{A}{1+\frac{nr}{100}}$
4. $P=A\left(1-\frac{r}{100}\right)^n$

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