Test case 5 is not working for Argentina code coach problem

Question

#include <iostream>
using namespace std;

int main() {
int pesos;
int dollars;
cin>>pesos;
cin>>dollars;
int answer=dollars*50;
if(answer>=pesos){
cout<<"Pesos";
}
else {
cout<<"Dollars";
}
return 0;
}

Answer 1

I understood know I was using int I had to use double.

Answer 2

Solved first code works by using double

Answer 3

Can you tell me the difference b/w the code above and this. I think logic is same in both
#include <iostream>
using namespace std;

int main() {
int pesos;
int dollars;
cin>>pesos;
cin>>dollars;
int answer=pesos/50;;
if(answer<=pesos){
cout<<"Pesos";
}
else {
cout<<"Dollars";
}
return 0;
}