EM-95

Changing the subject of a formula

E Math · Secondary 3 · Easy · Changing the subject of a formula

1. $q = \dfrac{P + 4r}{3}$
2. $q = \dfrac{P - 4r}{3}$
3. $q = 3(P + 4r)$
4. $q = \dfrac{P}{3} + 4r$

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