B are primary and C are secondary.
Answer:
A function with out parameters cannot take any arguments or perform operations on variables passed in. A function with parameters can.
The answer would be B. Printing too much money so it looses its value
Answer:
#include <iostream>
#include <iomanip>
using namespace std;
int main()
{
double caffeineMg;
cin>>caffeineMg;
cout<<"After 6 hours: "<<fixed<<setprecision(2)<<caffeineMg/2.0<<" mg\n";
cout<<"After 12 hours: "<<fixed<<setprecision(2)<<caffeineMg/4.0<<" mg\n";
cout<<"After 24 hours: "<<fixed<<setprecision(2)<<caffeineMg/8.0<<" mg\n";
return 0;
}
Explanation:
- Declare a variable for caffeine and take the input from user.
- Print the results by dividing the caffeine by relevant Half Life.
- Use setprecision function to display the result up to 2 decimal places.
