Rachel has 8 Boston crème donuts and 4 glazed donuts to put in boxes. She wants each box to contain the same number of Boston crème donuts and the same number of glazed donuts.

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?