(24): error C2065: 'i' : undeclared identifier

(24) error C2065 i undeclared identifier

// giAverage2.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <iostream>

using namespace std;

int main()
{
	//declare
	int valuesToAverage = 0;
	float valueOfCurrentInput = 0.0f;
	float sum = 0.0f;
	float avg = 0.0f;	

	cout << "Enter the number of values to average: ";
	cin >> valuesToAverage;

	//find sum

	for(int i = 0; i <= (valuesToAverage - 1); ++i)
	{
		cout << "[" << i << "] = ";
		cin >> valueOfCurrentInput;
		sum += valueOfCurrentInput;

		//calculate average
		avg = sum / valuesToAverage;
	}

	// Show Average.
	cout << "Average = " << avg << endl;
}

(24): error C2065: 'i' : undeclared identifier

// giAverage2.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <iostream>

using namespace std;

int main()
{
	//declare
	int valuesToAverage = 0;
	float valueOfCurrentInput = 0.0f;
	float sum = 0.0f;
	float avg = 0.0f;	

	cout << "Enter the number of values to average: ";
	cin >> valuesToAverage;

	//find sum

	for(int i = 0; i <= (valuesToAverage - 1); ++i);
	{
		cout << "[" << i << "] = ";
		cin >> valueOfCurrentInput;
		sum += valueOfCurrentInput;

		//calculate average
		avg = sum / valuesToAverage;
	}

	// Show Average.
	cout << "Average = " << avg << endl;
}