Kelli has a family photograph with a width of 6 in and a height of 8 in. She
wants to enlarge the photograph so that its width is 15 in. What will the height
of the enlarged photograph be?

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?