Question

a bookstore offers a gift card to anyone who donates more than 40 pounds of used books. liliana has 7 textbooks she can donate. each textbook weighs 3 pounds. liliana wants to know how many 2 - pound hardcover books, h, she needs to donate, along with the textbooks, to qualify for the gift card. write an inequality that represents the situation.

Explanation:

Step1: Calculate total textbook weight

Total weight of textbooks: $7 \times 3 = 21$ pounds

Step2: Define hardcover book weight

Weight of $h$ hardcover books: $2h$ pounds

Step3: Set up total weight inequality

Total donated weight > 40 pounds: $21 + 2h > 40$

Answer:

$2h + 21 > 40$