Jana is a graphic designer. She created a poster for her friend’s movie on an 8.5 inches by 11 inches sheet of paper. Her friend’s movie has gotten a lot of publicity, and they want to put Jana’s poster on a billboard that is 10 feet wide and 16 feet high. How can they blow up the poster as much as possible while maintaining the ratio of the sides?
a) Determine the length and width of the largest possible poster.
b) What is the scale?