How many solutions does the system of linear equations have? Use the drop-down menus to explain your answer. y = 34x + 12
y = 43x

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.