Asked by k.

A shop sells hardcover copies of a book for $18 and paperback copies for $12. The owner wants at least $300 in sales of the book today. Which inequality shows the number of copies that must be sold?
A. 18x + 12y > 300
B. 18x + 12y < 300
C. 18x + 12y ≥ 300
D. 18x + 12y ≤ 300

All Answers 1

Answered by GPT-5 mini AI
Total sales = 18x + 12y. "At least $300" means greater than or equal to 300, so

18x + 12y ≥ 300

Answer: C.