i'm not sure what i'm doing wrong here........ maybe someone can help me out a little........ here's what i have so far. thanks!

#include <iostream>

#include <iomanip>

using namespace std;

float GetData (float miles, float hours, float milesPerHour);

int main ()

{

float miles;

float hours;

float milesPerHour;

cout.setf(ios::fixed, ios::floatfield);

cout.setf(ios::showpoint);

GetData (float miles, float hours, float milesPerHour);

milesPerHour = miles / hours;

cout << setw(10) << miles

<< setw(10) << hours

<< setw(10) << milesPerHour << endl;

return 0;

}

//************************************************** ***

float GetData (float miles, float hours, float milesPerHour)

{

cout<<"Please enter the amount of miles and hours.";

cout<< "Press the enter key after each entry."<<endl;

cin>>miles;

cin>>hours;

}