Maths CBA1 NEED HELP DESPERATELY

NEED IDEAS FOR MATHS CBA1

I got an exceptional grade for this question. What influences the price of an airline ticket? I went in-depth made comparisons and calculated percentage increases and decreases. It is fairly easy to do well in this. I you search up ideas for CBAs you will get lots of useful ideas. Basic ones being, "What is the cost of building a soccer stadium?" or "What are the costs of adding cheetahs to Dublin zoo?", etc...

i did comparing the cost of a 5 day holiday in 3 cities (different flight, food, accomidation and entertainment options for each city)

I did 'could I make a profit from building a covid friendly restaurant in my kitchen was really easy and got exceptional

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