Helen went to the stationers and bought things worth Euro 35, 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?	Options.
A) Euro 15	B) Euro 15.7	C) Euro 19.7	D) Euro 29.7	E) None
Explanation: 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 = Euro [35 - (5 + 0.30)= 
<gadget id="calculator">35 - (5 + 0.30)</gadget>
<output>29.7</output>
Euro 29.70   Answer: Option Euro 29.7
<result>D</result>
Helen went to the stationers and bought things worth Euro 35, 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?