Raj paid $31.86 for a new basketball. the price he paid included sales tax of 6.25%.

which equation 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