#include <bits/stdc++.h>
using namespace std;
const long long mod = 1e9 + 7;
const long long mx = 2e6 + 10;
int posx[] = {1, -1, 0, 0};
int posy[] = {0, 0, 1, -1};
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  long long t = 1, n, k, m, a, b, c, d, h;
  cin >> t;
  while (t--) {
    cin >> h >> c >> k;
    if (h + c >= 2 * k) {
      cout << 2 << endl;
      continue;
    }
    long long x = (c - k) / (h + c - (2 * k));
    long long y = x + 1;
    long double xx = ((h * x) + (c * (x - 1))) / ((1.0) * 2 * x - 1);
    long double yy = ((h * y) + (c * (y - 1))) / ((1.0) * 2 * y - 1);
    if (abs(xx - k) <= abs(yy - k))
      cout << 2 * x - 1 << endl;
    else
      cout << 2 * y - 1 << endl;
  }
  return 0;
}
