Eli is ordering a taxi from an online taxi service. He has to pay a flat charge just to order the taxi, and then has to pay per mile, depending on how far he travels. He
wrote an equation to represent his total cost, y = 3.5+ 2.5x, where y represents
the total cost in dollars and cents, and a represents the number of miles he travels.
What could the number 2.5 represent in the equation?

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.]