Question

5 cakes cost £2.50 how much does 7 cakes cost

Answer 1

2.50 times 7 equal 17.5

Answer 2

If five cakes cost 2.50, that averages to .50 cents a cake. So it would be a dollar to add two more. So 2.50 + 1.00=3.50 so 3.50 for seven cakes.