Heather paid $2,022.30 for a computer. If the price paid includes a 7% sales tax, which of the following equations can be used to determine the price of the computer after tax?
(Let x represent the cost of the computer and y represent the total cost after tax.)
A. y= 1.7x
B. y= 0.93x
C. y= x+7x
D. y = 1.07x
