John bought 2 shares and sold them for $84 each. If he had a profit of 20% on the sale of one of the shares but a loss of 20% on the sale of the other share, then on the sale of both shares John had  Pick one.
A) a profit of $10 B) a profit of $7 C) a loss of $7 D) a loss of $10 E) neither a profit nor a loss
Loss% = (%age Profit or loss / 10)^2 = (20/10)^2 = 4% loss   Total Selling Price = 84*2= 
<gadget id="calculator">84*2</gadget>
<output>168</output>
$168   Total a loss of $7ost Price= 168/(0.96)= 
<gadget id="calculator">168/(0.96)</gadget>
<output>175</output>
$175   Loss= 175-168= 
<gadget id="calculator">175-168</gadget>
<output>7</output>
$7   Answer: Option a loss of $7
<result>C</result>
John bought 2 shares and sold them for $84 each. If he had a profit of 20% on the sale of one of the shares but a loss of 20% on the sale of the other share, then on the sale of both shares John had