A computer is very useful, but expensive. When you want to buy a new computer, you have to look for ways to save money. Have you ever saved up your money to buy something? What are some ways you can save money? In this book, you’ll not only learn you'll not only learn about different ways a family saves money, but you'll also learn about unit prices, ratios, rates, and price comparisons. Concepts include division, multiplication, and decimals. Remember to shop wisely!