Two int variables , euroSales and asiaSales , have already been declared and initialized . Another int variable , eurasiaSales , has already been declared.

C++

LANGUAGE: C++ CHALLENGE: add is a function that accepts two int parameters and returns their sum. Two int variables , euroSales and asiaSales , have already been declared and initialized . Another int variable , eurasiaSales , has already been declared. Write a statement that calls add to compute the sum of euroSales and asiaSales…

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