Question
A photo is printed on a 20-inch by 24-inch piece of paper. The photo covers 320 square inches and has a uniform border. What is the width of the border?
Answers
Steve
if the width is w, then
(20-2w)(24-2w) = 320
(20-2w)(24-2w) = 320
kristen
wait can i really respond to this question?