problem 1079 Weighted Averages.c

#include<stdio.h>
int main()
{
    int n,i;
    float a,b,c,sum,avg;
    scanf("%d",&n);
    for(i=0; i < n; i++)
    {
        scanf("%f %f %f",&a,&b,&c);
        avg = ((a*2)+(b*3)+(c*5))/(2+3+5);

        printf("%.1f\n",avg);
    }

    return 0;
}