millilitres
(2)
Two solid plates, P and Q, are mathematically similar and made of the same material.
The surface area of P is p cm²
The surface area of Q is q cm²
The weight of P is w grams.
(c) Find an expression for the weight of Q.
Give your answer in terms of p, q and w.
grams
(2)
(Total for Question 14 is 6 marks)