#include <stdio.h>
#include <stdlib.h>
#include <math.h>
int main()
{
    int test, n, m, p, i;
    scanf ("%d", &test);
    for (i = 0; i < test; i++) {
        scanf("%d%d%d", &n, &m, &p);
        int move = ceil(m * (double)p / 100);
        int sum = 0;
        int times = 0;
        while (1) {
            if (sum + m > n) {
                break;
            } else if (sum + m == n) {
                times++;
                break;
            } else {
                sum += move;
                times++;
            }
        }
        printf("%d\n", times);
    }
    return 0;
}