The price of the jewel, passing through three hands, rises on the whole by 80%. If the first and the second sellers 20% and 25% profit respectively find the percentage profit earned by the third seller.  Choose the correct choice from the following answers:
A) 20
B) 10
C) 15
D) 25
E) 30
Let the original price of the jewel be $ p and let the profit earned by the third seller be x% Then, (100+x)% of 125% of 120% of P =180% Of P ((100+X)/100*125/100*120/100*P)=(180/100*P)   ==&gt; (100+X)=(180*100*100)/(125*120)= 
<gadget id="calculator">(180*100*100)/(125*120)</gadget>
<output>120</output>
120=&gt;X=20%   20nswer 20
<result>A</result>
The price of the jewel, passing through three hands, rises on the whole by 80%. If the first and the second sellers 20% and 25% profit respectively find the percentage profit earned by the third seller.