The mass of flour you need in a cake is proportional to the area of the base of the cake tin.
The recipe for a 20 cm square tin takes 350 g of flour.
Work out the mass of flour needed for a 15 cm square tin.
Round your answer to the nearest ten grams.

Respuesta :

Answer:

385 cm

Step-by-step explanation:

350+20+15

=385CM