There are 4 carrot cakes, 1 cheesecakes and 5 chocolate cakes in the bakery. Each carrot cake sold at~£5, each cheesecake sold at £10 and each chocolate cake sold at £12. Find the average selling price of each cake. 
Overseas Competition->Knowledge Point->Calculation Modules->Whole Numbers->Whole Numbers Multiplication and Division->Understanding Meanings of Multiplication