Charles has a spinner with 5 equally sized colored sections and a number cube. Based on the past 90 events, the probability of the spinner landing on yellow and rolling a 4 with the number cube is

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?