Marcus is laying out a design for the tiles on a section of his bathroom floor. He will use 1 red tile for every 5 white tiles to have a total of 30 tiles in the design. How many of each type of tile will Marcus use?
a) 5 red tiles, 25 white tiles
b) 6 red tiles, 24 white tiles
c) 4 red tiles, 26 white tiles
d) 7 red tiles, 23 white tiles