/* write a function ave, that has 3 floating point numbers parameters, 
function returns the average of the parameters - float

write main that reads 5 triples of floating point numbers, and for each triple
use function ave to find and print the average

*/
#include<stdio.h>
//function prototype (function declaration)
float ave(float, float, float);
int main(){
	float a, b, c, result;
	int i;
	printf("enter 5 triples\n");
	for(i=0;i<5;i++){
		scanf("%f%f%f",&a,&b,&c);
		result=ave(a,b,c);
		printf("average of %.2f %.2f %.2f is %.2f\n", a,b,c,result);
	}
	return 0;
}


//function definition
float ave(float a, float b, float c){
	return (a+b+c)/3;
}