Question

Write a statement that increases numPeople by 5. Ex: If numPeople is initially 10, the output is: There are 15 people.

Answer 1

#include <iostream>

int incFive(int nP) {
	return nP += 5;
}

int main()
{
	int numPeople;
	std::cout << "Please enter the number of people : ";
	std::cin >> numPeople;
    std::cout << "There are " << incFive(numPeople) << " people.\n";
}