Find the x values for equal y values

Describe what moves you could use to create the transformation of the original image shown at right

Explain why the factor 1.5 is broke. into two numbers in the model.

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?