Question

Make a c++ program that will print the average of the values of the three quizzes using function. The values of the quizzes are input values from the user.

Answer 1

#include <iostream>

using namespace std;

double average(double, double, double);

int main()
{
    double n1, n2, n3;
    
    cout << "Enter three integers:" << endl;
    cin >> n1 >> n2 >> n3;
    
    cout << "Average is " << average(n1, n2, n3) << endl;
}

double average(double a, double b, double c)
{
    double averageValue = (a + b + c) / 3;
    return averageValue;
}