#include<bits/stdc++.h>
using namespace std;
int main(){
    int t;
    scanf("%d",&t);
    while(t--){
        int x,m,p;
        scanf("%d%d%d",&x,&m,&p);
        int res = 0;
        while(x>=m){
            res++;
            x = x -m*p*0.01;
        }
        printf("%d\n",res);
    }
    //system("pause");
    return 0;
}