a bookstore offers a gift card to anyone who donates more than 40 pounds of used books. liliana has 7…

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.

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.

Answer

Explanation:

Step1: Calculate weight of textbooks

The weight of 7 textbooks, with each weighing 3 pounds, is $7\times3 = 21$ pounds.

Step2: Consider weight of hard - cover books

The weight of $h$ 2 - pound hard - cover books is $2h$ pounds.

Step3: Set up the inequality

The total weight of textbooks and hard - cover books must be more than 40 pounds. So the inequality is $21 + 2h>40$.

Answer:

$21 + 2h>40$