#include <bits/stdc++.h>
#include <iostream>
#include <stdio.h>
#define LL long long
#define inf 0x3f
const int mod = 1e9+7;
using namespace std;

int main()
{
    int n,t,m,p;
    scanf("%d",&t);
    while(t--){
        LL ans = 0;
        scanf("%d%d%d",&n,&m,&p);
        while(n >= m){
            double t1= (double)p * 0.01;
            double temp = (m * t1 * 1.0);
            n -= temp;
            ans++;
        }
        printf("%lld\n",ans);
    }
    return 0;
}