#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll T,n,m,p;
int main (){
    //freopen("in.txt","r",stdin);
    cin >> T;
    while (T--){
        cin >> n >> m >> p;
        ll k = ceil(1.0*m*p/100);
        ll ans = 0;
        while (n>=m) {
            n-=k;
            ans++;
        }
        cout << ans << endl;
    }
    return 0;
}