Challenge A box is 12 in. high, 18 in. long, and 8 in. wide. What is the longest poster you could fit in the box? Use pencil
and paper. Explain why you can only fit one maximum-length poster in the box but you can fit multiple 21-in. posters in the
same box.
You can fit ain, poster in the box.
(Round to one decimal place as needed.)