Mathematics 4024 · O Level · Ratio and proportion

Ratio and proportion — practice question

A rope is divided into three sections whose lengths are in the ratio $3:5:4$. The shortest section measures $180\text{ cm}$.

(a)[2]

Determine the length, in cm, of the longest piece of rope.

(b)[2]

Determine the overall length of the rope. State your answer in metres.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Applies the angle-sum method” …