in a shop, the profit is 320 % of the cost. if the cost increases by 25 % but the selling price remains constant, find out approximately what percentage of the selling price is the profit?  Pick one.
A) 180 % B) 120 % C) 90 % D) 80 % E) 70 %
<gadget id="calculator">320 + 100</gadget>
<output>420</output>

<gadget id="calculator">25 + 100</gadget>
<output>125</output>

<gadget id="calculator">420 - 125</gadget>
<output>295</output>

<gadget id="calculator">295 / 420</gadget>
<output>59/84 = around 0.702381</output>

<gadget id="calculator">(59/84) * 100</gadget>
<output>1_475/21 = around 70.238095</output>

<result>E</result>
in a shop, the profit is 320 % of the cost. if the cost increases by 25 % but the selling price remains constant, find out approximately what percentage of the selling price is the profit?
multiply(divide(subtract(add(320, const_100), add(25, const_100)), add(320, const_100)), const_100)
let the cp = 100 profit = ( 320 / 100 ) × 100 = 320 sp = cp + profit = 100 + 320 = 420 if the cost increases by 25 % , new cp = ( 125 / 100 ) × 100 = 125 selling price is constant , hence new sp = 420 profit = sp – cp = 420 – 125 = 295 required percentage = ( 295 / 420 ) × 100 = 2950 / 42 = 1475 / 21 ≈ 70 answer : e