#include <bits/stdc++.h>
using namespace std;
void solve() {
    int n, m, p;
    scanf("%d %d %d", &n, &m, &p);
    int x = (m * p + 99) / 100;
    int ans = (n - m) / x;
    if (ans < 0) ans = 0;
    n -= ans * x;
    while (n >= m) n -= x, ans++;
    printf("%d\n", ans);
}
int main() {
    int T;
    cin >> T;
    while (T--) {
        solve();
    }
    return 0;
}