Six hundred pictures were taken at a photo shoot. Twelve percent of the pictures are black and white. Which equasion can be used to find the number of black and white photos.

A. 600÷6 = 100
12÷6 = 2

B. 12×6 = 72
100×6 = 600

C. 600÷12 = 50
600÷100 = 6

D. 600+12 = 612
100+12 = 112