Question

If 8 cakes cost £4,then how much do 3 cakes cost?

Answer 1

8 = £4
1 = £0.50
3 = 3 × £0.50
3 = £1.50

Answer 2

Its £1 . 50
u work out how much 1 is
to do this u do 4 / 8 which gives u 50p 
then multiply it by 3 which gives u the answer
hope this helps u