500
You decide to dye your hair various colors for Halloween. If you dye 1/3 of it blue, 1/4 pink, and 1/4 black, how much of your original hair color is left?
What is 1\6 of original hair
(solution: step 1: 1/3+1/4+1/4 = 4/12+3/12+3/12 = 10/12 = 5/6.
step 2: 1-5/6 = 6/6 - 5/6 = 1/6