#include <iostream>
usingnamespace std;
int main()
{
double bill;
double percent;
double tip;
cout << "enter the price of you bill: ";
cin >> bill;
cout << "now enter the percent you want to tip your waiter in decimal form: ";
cin >> percent;
tip = bill / percent;
cout << "if you want to tip your waiter 20% you should pay him " << tip;
system("pause");
return 0;
}