a trader bought a car at 30 % discount on its original price. he sold it at a 80 % increase on the price he bought it. what percent of profit did he make on the original price? Choose the most appropriate option:
A) 18 %
B) 26 %
C) 12 %
D) 32 %
E) 15 %
<gadget id="calculator">100 - 30</gadget>
<output>70</output>

<gadget id="calculator">100 + 80</gadget>
<output>180</output>

<gadget id="calculator">70 * 180</gadget>
<output>12_600</output>

<gadget id="calculator">12_600 / 100</gadget>
<output>126</output>

<gadget id="calculator">126 / 100</gadget>
<output>63/50 = around 1.26</output>

<gadget id="calculator">(63/50) - 1</gadget>
<output>13/50 = around 0.26</output>

<gadget id="calculator">(13/50) * 100</gadget>
<output>26</output>

<result>B</result>
a trader bought a car at 30 % discount on its original price. he sold it at a 80 % increase on the price he bought it. what percent of profit did he make on the original price?
multiply(subtract(divide(divide(multiply(subtract(const_100, 30), add(const_100, 80)), const_100), const_100), const_1), const_100)
"original price = 100 cp = 70 s = 70 * ( 180 / 100 ) = 126 100 - 126 = 26 % answer : b"