Jane spends all her money on the ingredients of her favorite cocktail. To make a portion of the cocktail, she has to mix 200 ml of orange juice with 100 ml of apple juice and with 200 ml of watber. Any juice costs 3 USD per liter, water costs 0.5 USD per liter. If she has 20 USD, how many portions o
Assume that initially the exchange rate is 1 USD = 1 EUR. A company in Europe sells a product to a customer in the United States for $1,000. By the time the customer pays, the value of the European currency has strengthened by 20% compared to the US dollar. What will the final amount the company rec
