import java.util.HashMap; public class Calculator { public static double sumPrice(HashMap productsMap){ double sumPriceResult = 0.00f; for (String i: productsMap.keySet()) { sumPriceResult = sumPriceResult + productsMap.get(i); } return sumPriceResult; } public static double priceForPerson(HashMap productsMap,int humans){ return sumPrice(productsMap) / humans; } }