programming

possible solution #include using namespace std; int main() { // Declare and initialize the variables to store the 3 test scores double test1 = 0.0; double test2 = 0.0; double test3 = 0.0; //Prompt the user to enter the three tests scores cout << "Enter the first test score: "; cin >> test1; cout << "Enter the second test score: "; cin >> test2; cout << "Enter the third test score: "; cin >> test3; // Calculate the average of the three tests scores double average = (test1 + test2 + test3) / 3.0; // Determine and display the appropiate letter grade char letterGrade; if (average < 60) letterGrade = 'F'; else if (average < 70) letterGrade = 'D'; else if (average < 80) letterGrade = 'C'; else if (average < 90) letterGrade = 'B'; else letterGrade = 'A'; cout << "The average score is: " << average <<"\n"; cout