/* Exploring Functions Exercise.
   Predict the output from this program for the following
   input values:  3 5 7
*/
#include <stdio.h>

float find_total(float a, float b, float c)
{
    return (a + b + c);
}

float find_average(float a, int b)
{
    return a / b;
}
	 
int main(void)
{
    float x, y, z;  /* Input values */
    float sum;      /* total of numbers */
    float mean;     /* statistical mean (average) */
	 
    printf("Total of 7+8+9 is %.1f\n", find_total(7,8,9) );
	 
    printf("Enter three numbers: ");
    scanf("%f%f%f", &x, &y, &z);

    printf("Sum of %.1f and %.1f and %.1f: %.1f\n", x, y, z, find_total(x, y, z));

    sum = find_total(x, y, z);
	 
    printf("Average of the three numbers is %.1f\n", find_average(sum, 3));

    mean = find_average(sum, 3);
	 
    printf("Another average: %.1f\n", find_average(find_total(5,4,6), mean));
	 
    return 0;
}