. On a recent shopping trip, you see a sale advertising 5 pairs of socks and 2 pairs of shoes for $100. Write an equation using x to represent the cost of socks and y to represent the cost of shoes.
1.2x + 5y = 100
2.5x + 2y = 100
3.50x + 20y = 100
4.20x + 50y = 100
dont answer somethign random if u answer an actual right answer ill reward you brainlest

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]