You are bidding on a job to maintain the local soccer fields in a community park. There are 8 fields that need to have their grass mowed weekly. The fields are 80 yards by 120 yards. The riding lawn mower you have has a 2.5 feet cutting width and an average of 3.5 miles per hour speed with regular use.

Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14