OF ALL THE SHIRTS aRTHUR`S WARDROBE, HALF ARE BLUE, ONE-QUARTER ARE WHITE AND ONE-EIGHT ARE STRIPED, THE REMAINING TWO SHIRTS ARE PLAID.

HOW MANY SHIRTS DOES ARTHUR HAVE ALTOGETHER?

(8/8) - (4/8 + 2/8 + 1/8)x = 2

1/8x = 2

x = 2 * 8

x = 16