Mathematics 0580 · IGCSE · Ratio and proportion

Ratio and proportion — practice question

$V$ varies directly as the cube of $(r + 1)$. When $r = 1$, $V = 24$.
(main)[3]

Calculate the value of $V$ for $r = 2$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “M1 awarded for writing $V = k(r + 1)^3$” …

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