#include"bits/stdc++.h"
using namespace std;

#define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

#define ll long long
#define ld long double
#define nl "\n"
ld temperature(ld h,ld c,ll cups)
{
	return (double)((h*cups)+c*(cups-1))/(2*cups-1);
}
ll bin_search(ld h,ld c,ld t)
{
	ld dif=1e12;
	ll  f;
	ll low=3,high=1e12;
    while(low<=high)
	{
		ll mid=(low+high)/2;
		f=mid;
		ld s=temperature(h,c,mid);
		if(abs(t-s)>abs(t-dif)) return f;
		f=mid;
		if(temperature(h,c,mid)>t)
		{
			low=mid+1;
		}else
		{
			high=mid-1;
		}
	}
}
int main()
{
	IOS;
	int T;
	cin>>T;
	while(T--)
	{
		ld h,c,t;
		cin>>h>>c>>t;
		if(t>=h) cout<<"1\n";
		else if(t<=(h+c)/2) cout<<"2\n";
		else cout<<2*(bin_search(h,c,t))-1<<nl;
	}
	return 0;
}

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