Mfloor and Tile Now are two companies that install floor tile. Mfloor charges $24 for 10 tiles, and Tile Now charges $25.85 for 11 tiles. If you hire Tile Now, how much would you save on a room with 121 tiles in it and why?

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236