The total number of pies they made altogether is 100.
In order to determine this value, add the number of blueberry pies with the number of apple pies. Â Addition is the mathematical operation that is used to determine the sum of two or more numbers.
The total number of pies = 55 + 45 = 100 pies
To learn more about addition, please check: https://brainly.com/question/19628082
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