#include <bits/stdc++.h>
using namespace std;

int main() {
    cin.tie(0);
    ios_base::sync_with_stdio(false);
    int t;
    cin >> t;
    while (t--) {
        long long n, m, p;
        cin >> n >> m >> p;
        long long res = 0;
        while (n >= m) {
            long long t = n/m;
            res += t;
            n -= t*m;
            n += m*(100-p)/100*t;
        }
        cout << res << endl;
    }
}