Mathematics 0580 · IGCSE · Ratio and proportion
Express the ratio $5 \times 10^{-1} : 2 : 3 \times 10^{1}$ in simplest form.
This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Ratio in simplest form: $1 : 4 : 60$” …