#include <bits/stdc++.h>
#define all(n) (n).begin(), (n).end()
#define se second
#define fi first
#define pb push_back
#define mp make_pair
#define sqr(n) (n)*(n)
#define rep(i,a,b) for(int i=(a);i<=(b);++i)
#define per(i,a,b) for(int i=(a);i>=(b);--i)
#define IO ios::sync_with_stdio(0); cin.tie(0);
using namespace std;
typedef long long ll;
typedef pair<int, int> PII;
typedef pair<ll, ll> PLL;
typedef vector<int> VI;
typedef double db;

const int N = 1e5 + 5;

int n, m, _, k;

int main() {
    IO;
    for (cin >> _; _; --_) {
        cin >> n >> m >> k;
        int p = m * (100 - k) / 100;
        int c = 0;

        if (p == 0) c = n / m;
        else {
            while (n >= m) {
                int cur = n / m;
                c += cur;
                n = n % m + cur * p;
            }
        }

        cout << c << '\n';
    }
    return 0;
}