Mathematics 0580 · IGCSE · Surface area and volume

Surface area and volume — practice question

(a)[2]

Calculate the number of litres of water she now uses each day.

(b)[3]

Calculate the height of the smaller bottle.

(c)[3]

Calculate the increase in the level of water in the tank when the shower is used for 7 minutes.

Worked solution & mark scheme

This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: “So, $220 \times 0.85 = 187$.” …