#include<iostream>
#include<stdio.h>
int main(){
    int test;
    scanf("%d", &test);
    for(;test > 0; test--){
        int n, m, p, val = 0;
        scanf("%d%d%d", &n, &m, &p);
        int tmp = m*(100-p)/100;
       // printf("tmp=%d\n", tmp);
        while(n >= m){
            int num;
            num = n / m;
            val+=num;
            n = n-n/m*m + n/m*tmp;
         //   printf("n=%d num=%d val=%d\n", n, num, val);
        }
        printf("%d\n", val);
    }
    return 0;
}