The table and the graph represent the rate at which 2 machines are bottling milk in gallons per second Machine 2
20
Machine 1
Time (s)
Amount (gal)
1. 2 3 4
0.6 1.2 1.8 2.4
Amount (gal)
10
20
10
Time (s)
A. Determine the unit rate and slope of each machine
Machine 1
Machine 2
B. Which machine is working at a faster rate?
Machine
is working at a faster rate.

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?