2026 PHS P1 Q2

The table below shows the materials needed to make one batch of concrete.

Each batch of concrete has volume \(0.15\text{ m}^3\).

1. How many batches of concrete can a builder make with 175 kg of cement?[1]
2. Another builder has 240 kg of cement, 108 litres of water and 540 kg of each of the other materials.
   1. Find the maximum volume of concrete he can make.[2]
   2. Calculate the amount of water he needs to use to make this maximum volume.[1]