Raj paid $31.86 for a new basketball. The price he paid included sales tax of 6.25%.
Which of these equations can be used to find the price, p, of the basketball before tax?

A. p + 0.0625p = 31.86
B. 6.25p = 31.86
C. 0.0625p = 31.86
D. p + 6.25p = 31.86