a border to surround a picture is to be cut from me 8 and 1/2 by 8 and 1/2 inch Mat Board. if the picture is 5 and 3/4 in by 5 and 3/4 in what is the width of the Border?

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?