ThreeNumberAverage.c

#include<stdio.h>
int main(void){
	int a = 0;
	float b = 0.0f;
	double c = 0.0;
	long double d = 0.0;
	printf("please enter the first number:\n");
	scanf("%d", &a);
	printf("please enter the second number:\n");
	scanf("%f", &b);
	printf("please enter the third number:\n");
	scanf("%lf", &c);
	d = (a + b + c) / 3;
	printf("Avarage of Number:%.2Lf", d);
	return 0;
}

#include<stdio.h>
int main(void){
	float a = 0.0f;
	float b = 0.0f;
	float c = 0.0f;
	float d = 0.0f;
	printf("please enter the first number:\n");
	scanf("%f", &a);
	printf("please enter the second number:\n");
	scanf("%f", &b);
	printf("please enter the third number:\n");
	scanf("%f", &c);
	d = (a + b + c) / 3.0f; // all the numbers should be in the same format
	printf("Avarage of Number:%.2f", d);
	return 0;
}