How to write an expression from a word problem - Answers to homework

The video tutorial explains how to write an expression for the total cost of buying hardcover and paperback books from a used bookstore. It identifies variables for the number of books, explains the cost of each type, and demonstrates how to calculate the total cost using multiplication. The final expression combines the costs of hardcover and paperback books to find the total cost.

Define the variables H and P in the context of the bookstore problem.

What is the cost of buying H hardcover books if each hardcover book costs $2.50?

Explain why the cost of a hardcover book is represented as $2.50 in the expression.

If you buy 3 hardcover books, what will be the total cost?

What is the expression for the cost of buying P paperback books?

How would you express the total cost of buying hardcover and paperback books?

How do you combine the costs of hardcover and paperback books to find the total cost?