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Money Change Program

Madeirey (8)
I don't get why the bills aren't working, but the coins are... When I enter 50 in, it says 5 tens, which is good, but then it also says 10 fives... But if I enter 50.50 in, then it has the same bill format but then it only says 2 quarters which is right. I think it has to do with the % but I'm not sure what exactly... Help please?

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#include <iostream>
#include <iomanip>
#include <string>

using namespace std;

int main ()
{

	double money = 0.0;
	double change = 0.0;
	int change1 = 0;
	int tdollars = 0;
	int fdollars = 0;
	int dollars = 0;
	int quarters = 0;
	int dimes = 0;
	int nickels = 0;
	int pennies = 0;


	cout<<"Enter money: $";
	cin>>money;
	cout<<endl;

		change = money;
		change1 = change*100;
		tdollars = change1/1000;
		fdollars = change1/500;
		dollars = change1/100;
		quarters = change1%100/25;
		dimes = change1%100%25/10;
		nickels = change1%100%25%10/5;
		pennies = change1%100%25%10%5;
		
		{
		
		cout<<"Change due: $"<<change<<endl;
		cout<<"Tens: "<<tdollars<<endl;
		cout<<"Fives: "<<fdollars<<endl;
		cout<<"Dollars: "<<dollars<<endl;
		cout<<"Quarters: "<<quarters<<endl;
		cout<<"Dimes: "<<dimes<<endl;
		cout<<"Nickles: "<<nickels<<endl;
		cout<<"Pennies: "<<pennies<<endl;
		cout<<endl;
		cout<<endl;
	}

	system("pause");
	return 0;
}
wildblue (1505)
The code is assigning values to those other dollar note variables that you then cout later. 

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cin>>money; //money=50.50

change = money; //change=50.50
change1 = change*100; //change1=5050
tdollars = change1/1000;  //tdollars=5
fdollars = change1/500;  //fdollars=10
dollars = change1/100;  //dollars=50


You'll need to account for change you've already given out so it doesn't get counted in what remains to be given in change in the smaller denominations.
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