#include<bits/stdc++.h>
#define mp make_pair
#define fi first
#define se second
#define debug(x) cerr<<#x<<" = "<<(x)<<endl
#define eps 1e-9
#define pi acos(-1.0)
using namespace std;
void test(){cerr<<"\n";}
template<typename T,typename... Args>void test(T x,Args... args){cerr<<x<<" ";test(args...);}
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const int MAXN=(int)1e5+10;
const int MOD=(int)1e9+7;
void Main(){
    int n,m,p;
    cin>>n>>m>>p;
    int cost=(m*p+99)/100;
    int ans=0;
    if(n>=m){
        int de=n-m;
        ans=de/cost;
        n-=ans*cost;
    }
    while(n>=m){
        n-=cost;
        ans++;
    }
    cout<<ans<<"\n";

}
int main()
{
    #ifdef BanFcc
        freopen("in.txt","r",stdin);
    #else
        ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    #endif
    int T=1;
    cin>>T;
    for(int ca=1;ca<=T;ca++){
        Main();
    }
    return 0;
}