Susan is buying three different colors of tiles for her kitchen floor. She is buying more red tiles than beige tiles, and three times as many navy-blue tiles as beige tiles. If Susan buys tiles altogether, how many tiles of each color does she buy? (Use the 5-D process.)

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.]