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