Averaging Program

#include <iostream.h>
#include <stdlib.h>
float average(int number, float total)
{
  float average;
  average = total / number;
  return average;
}
int getnumber(void)
{
  int number;
  cout<<"Enter the total numbers\n";
  cin>>number;
  return number;
}
float getallnumbers (int amount)
{
  float input;
  int i = 0;
  cout<<"Enter All number to be divided\n";
  float allnumbers = 0.0;
  while (i < amount)
  {
  cin>>input;
  allnumbers = allnumbers + input;
  amount--;
  }
  return allnumbers;
}
using namespace std;
int main(int argc, char *argv[])
{
int number;
 number=getnumber();
float total;
 total=getallnumbers(number);
float theaverage;
 theaverage=average(number,total);
 cout<<"The average of the numbers are "<<theaverage<<endl; 
 system("PAUSE");	
 return 0;
}