Homework Function Help.

[Poeticsoul44]

Below i Have 3 different functions I wrote for a homework assignment. I'm not sure what is wrong with them. Any help would be GREATLY Appreciated.

void airfare(double &airfareCost, double &airfareAllowd)
{
Cout<< "Enter cost of airefare"<<endl;
cin>> airfareCost<<endl;
airfareAllowd=airfareCost;

}


void milage(int miles, double &milageCost, double&milageAllowd)
{
cout<< "Enter cost of airefare"<<endl;
cin>> milageCost<<endl;
cout<<"Enter number of miles"<<endl;
cin<<miles<<endl;
milageAllowed= miles* 0.38 ;
}


Void taxi(int taxiDays, double &taxiCost, double&taxiAllowd)
{
cout<< "Enter number of days travelled"<< endl;
cin>>taxiDays<<endl;
cout<< "Enter Total cost of Taxi"<<endl;
cin>>taxiCost<<endl;
taxiAllowed=taxiDays * 10 ;
}