It took Max 15 minutes to ride his bike from her house to school. His school is 4 miles away from his house. Max rode his bike at ___ mph. Group of answer choices 8 16 4 30?

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?