#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main()
{
    ll sum,m,p,n,t,k;
    double a;
    cin>>t;
    while(t--){
        cin>>sum>>m>>p;
        if(sum<m){
            cout<<0<<endl;
            continue;
        }
        else if(sum==m){
            cout<<1<<endl;
            continue;
        }
        a=(double)m*p/100.0;
        //cout<<a<<endl;
        n=ceil(a);
        //cout<<n;
        //n=m-n;
        k=0;
        while(sum>=m){
            sum-=n;
            k++;
        }
        cout<<k<<endl;
    }
    return 0;
}