An island is 3 kilometers due north of its closest point along a straight shoreline. A visitor is staying in a tent that is 13 kilometers east of that point. The visitor is planning to go from the tent to the island. Suppose the visitor runs at a rate of 8 kmph and swims at a rate of 1 km. How far should the visitor run to minimize the time it takes to reach the island

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?