#include<bits/stdc++.h>
using namespace std;
int main()
{
    int n,m,p,t;
    //cin>>t;
    scanf("%d",&t);
    while(t--)
    {
        //cin>>n>>m>>p;
        scanf("%d%d%d",&n,&m,&p);
        //int mi=(1.0-(float)p/100)*m;
        //mi = m-mi;
        float mi=(float)p/100.0*m;
        int m2=(int)mi;
        if(mi-m2>0)m2++;
        int nm=n-m;
        int ans=0;
        //if(nm<0)ans=0;
        //else ans=nm/mi+1;
        //if(nm%mi!=0)ans++;
        
        //cout<<mi<<" "<<nm<<endl;
        while(n>=m)
        {
            ans++;
            n-=m2;
        }
        //cout<<ans<<endl;
        printf("%d\n",ans);
    }
    
     
}