#include <stdio.h>

int main(void) {
	float n1 = 4;
	float n2 = 9;
	
	float total = n2 / n1 ;
	float truncado = floor( total * 10.0f ) / 10.0f;
	
	printf("Media: %.1f\n", truncado );
	printf("Media: %.2f\n", truncado );
	printf("Media: %.5f\n", truncado );
	return 0;
}