#include <bits/stdc++.h>
using namespace std;
bool f(int n, int h, int c, int t) {
  return (2 * n + 1ll) * abs(1ll * n * (h + c - 2 * t) + t - c) <=
         (2 * n - 1ll) * (1ll * n * (h + c - 2 * t) + h - t);
}
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(NULL);
  long long t = 1;
  cin >> t;
  while (t--) {
    int h, c, t;
    cin >> h >> c >> t;
    if (2 * t <= h + c)
      cout << "2"
           << "\n";
    else {
      int a = h - t;
      int b = 2 * t - c - h;
      int k = 2 * (a / b) + 1;
      long long val1 =
          abs(k / 2 * 1ll * c + (k + 1) / 2 * 1ll * h - t * 1ll * k);
      long long val2 = abs((k + 2) / 2 * 1ll * c + (k + 3) / 2 * 1ll * h -
                           t * 1ll * (k + 2));
      if (val1 * (k + 2) <= val2 * k)
        cout << k << "\n";
      else
        cout << k + 2 << "\n";
    }
  }
}
