a shopkeeper sold an book offering a discount of 5 % and earned a profit of 25 %. what would have been the percentage of profit earned if no discount was offered?  Pick
A) 131.6	B) 120	C) 130	D) 110	E) 150
<gadget id="calculator">100 + 25</gadget>
<output>125</output>

<gadget id="calculator">100 - 5</gadget>
<output>95</output>

<gadget id="calculator">125 / 95</gadget>
<output>25/19 = around 1.315789</output>

<gadget id="calculator">100 * (25/19)</gadget>
<output>2_500/19 = around 131.578947</output>

<result>A</result>
a shopkeeper sold an book offering a discount of 5 % and earned a profit of 25 %. what would have been the percentage of profit earned if no discount was offered?
multiply(const_100, divide(add(const_100, 25), subtract(const_100, 5)))
"let c . p . be $ 100 . then , s . p . = $ 125 let marked price be $ x . then , 95 / 100 x = 125 x = 12500 / 95 = $ 131.6 now , s . p . = $ 131.6 , c . p . = $ 100 profit % = 31.6 % . a"