#include<stdio.h>
#include<algorithm>
#include<cstring>
const int MAXN = 100005;
const int mod = 60;
using namespace std;
int main()
{
    int t,n,m,p;
    scanf("%d",&t);
    while(t--){
        scanf("%d%d%d",&n,&m,&p);
        int  a=m*(100-p)/100;
        int b=m-a;
        if(n>=m){
           int sum=n/b;
           n-=(sum*b);
           n+=b;
           while(n<m){
                sum--;
                n+=b;
           }
           printf("%d\n",sum);
          }
          else
           printf("0\n");
         }
    return 0;
}