#include <cstdio>
#include <cstring>
#include <iostream>
#include <algorithm>
#include <cmath>
#include <set>
#include <vector>
#include <utility>
#include <stack>
#include <deque>
#include <queue>
#include <string>
#include <cctype>
#include <ctime>
#include <sstream>
#include <map>
//#define LOCAL
#define ll long long
#define maxn 200010
#define maxw 1000005
#define INF 10000000000000000
using namespace std;

int n; int m; int p;

int main()
{
#ifdef LOCAL
    freopen("data.in.txt", "r", stdin);
    freopen("data.out.txt", "w", stdout);
#endif
    ll t; cin >> t;
    while(t--)
    {
        cin >> n >> m >> p;
        if(n < m) 
        {
            cout << 0 << endl;
            continue;
        }
        int d = m - floor((double)m * (100-p) / 100);
        int c = (n - m) / d;
        cout << c + 1 << endl;
    }
    return 0;
}