#include <bits/stdc++.h>
using namespace std;
int main () {
    int T; scanf("%d", &T);
    while (T--) {
        int n, m, p; scanf("%d%d%d", &n, &m, &p);
        if (n < m) {
            printf("0\n");
            continue;
        }
        int re = m - m * (100 - p) / 100;
        int l = 1, r = 2 * n;
        while (l < r) {
            int mid = l + r + 1 >> 1;
            if (n - re * (mid - 1) >= m && n - re * mid >= 0) l = mid;
            else r = mid - 1;
        }
        printf("%d\n", l);
    }
    return 0;
}