3y inflation

The price of the roll rise in the first year by 9%, the second year fell by 5%, and in the third year increased by 3%.

Calculate the average annual increase in the price of the roll.

Correct answer:

p =  2.2 %

Step-by-step explanation:

p=100(3(1+1009)(11005)(1+1003)1)=2.2%



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