Helen went to the stationers and bought things worth Euro 24, out of which 30 paise went on sales tax on taxable purchases. If the tax rate was 6%, then what was the cost of the tax free items?
Choose the correct choice from the following:
A) uro 16.70 B) uro 15.70 C) uro 13.70 D) uro 19.70 E) uro 18.70
E   Euro 18.70   Let the amount taxable purchases be Euro x.   Then, 6% of x = 30/100   x = (30/100 x 100/6) = 5.   Cost of tax free items = uro 18.70uro [  24 - (5 + 0.30)= 
<gadget id="calculator">  24 - (5 + 0.30)</gadget>
<output>18.7</output>
uro 18.70uro 18.70
<result>E</result>
Helen went to the stationers and bought things worth Euro 24, out of which 30 paise went on sales tax on taxable purchases. If the tax rate was 6%, then what was the cost of the tax free items?