A net has a rectangle at the center and 4 triangles on the sides. The rectangle has a length (c) of 6 meters and height (b) of 2 meters. The triangle labeled a has a height of 6 meters. Label the net by defining each variable.

a = m
b = m
c = m

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?