#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
#define Rep(i,a,b) for(register int i=(a);i<=(b);++i)
#define rep(i,a,b) for(register int i=(a);i<(b);++i)
#define Dep(i,a,b) for(register int i=(a);i>=(b);--i)
#define mem(x,v) memset(x,v,sizeof(x))
#define gc getchar
#define pc putchar
inline ll read(){
    ll x = 0,f = 0;char c = gc();
    for(;!isdigit(c);c=gc()) f|=(c=='-');
    for(;isdigit(c);c=gc()) x = x * 10 + (c - '0');
    return f ? -x : x;
}
inline void write(ll x){if(x < 0) pc('-'),x=-x;if(x>=10) write(x / 10);pc(x%10+'0');}
inline void writeln(ll x){write(x),pc('\n');}
inline void wri(ll x){write(x),pc(' ');}
void solve(){
    int n = read(),m = read(),p = read();
    int cnt = 0;
    while(n>=m){
        n -= m;
        n += m * (1.0 - p/100.0);
        cnt++;
    }writeln(cnt);
}
int main(){
    int T = read();
    while(T--) solve();
    return 0;
}