Mrs. Cunningham wants to use rubber tiles to cover the floor of an indoor playground. The graph shows the relationship between the number of rubber tiles used and the total cost. Rubber Tile Cost Total Cost ($) 2 48 4 40 36 32 28 24 20 16 12 84 52 44 O 1 2 3 4 5 6 7 8 9 10 Number of Rubber Tiles Abril What is the unit cost per rubber tile? O The unit cost per rubber tile is $0.17. O The unit cost per rubber tile is $1. O The unit cost per rubber tile is $6. O The unit cost per rubber tile is $12.​