Catherine paid $200.34 for an MP3 player. If the price paid includes a 6% sales tax, which of the following equations can be used to determine the price of the MP3 player before tax? (Let x represent the cost of the MP3 player and y represent the total cost after tax.)
A.
y = 0.94x
B.
y = 1.06x
C.
y = x + 6x
D.
y = 1.6x