#include<bits/stdc++.h>
using namespace std;
int main(){
    int T,n,m,p;
    scanf("%d",&T);
    while(T--){
        scanf("%d %d %d",&n,&m,&p);
        p=100-p;
        int res=0;
        while(n>=m){
            int ans=n/m;
            res+=ans;
            n=n%m+ans*(m*p/100);
        }
        printf("%d\n",res);
    }
    return 0;
}