Answer:
48
Step-by-step explanation:
If Amy has 6 cakes and Barry has four times as many as she does then just do 6x4. After doing that you have 24. 24+6=30. Ok so you have 30 so far, Right? And Ceri bakes 12 more then Amy so what's 12+6? 18. 30+18=48.
Your welcome.