#include <bits/stdc++.h>

using namespace std;

#define N 200007
#define INF 0x3f3f3f3f
#define LL long long

int main()
{
    int T;
    scanf("%d", &T);
    while (T--)
    {
        int n, m, p;
        scanf("%d%d%d", &n, &m, &p);
        int x = m * p;
        x = x / 100 + ((x % 100) ? 1 : 0);
        int y = max(0, n - m) / x;
        n -= y * x;
        while (n >= m)
        {
            n -= x;
            y++;
        }
        printf("%d\n", y);
    }
    return 0;
}