A customer went to a shop and paid a total of $40, out of which $1.28 was for sales tax on taxable purchases. If the tax rate was 8%, then what was the cost of the tax free items? Choose the correct option
A) $19.54	B) $2076	C) $21.36	D) $22.72	E) $23.58
The total cost was $40.   The tax was $1.28   Let the original price of the taxable items = x   Given that tax rate = 8%   0.08x = 1.28   x = $16   The cost of the tax free items was $40 - $16 - $1.28 = $22.72   The answer is $22.72.40 -  16 -  1.28= 
<gadget id="calculator">40 -  16 -  1.28</gadget>
<output>22.72</output>
$22.72   The answer is $22.72.
<result>D</result>
A customer went to a shop and paid a total of $40, out of which $1.28 was for sales tax on taxable purchases. If the tax rate was 8%, then what was the cost of the tax free items?