a towel, when bleached, lost 30 % of its length and 20 % of its breadth. what is the percentage decrease in area?  Answers:
A) 24 %  B) 30 %  C) 44 %  D) 54 %  E) 64 %
<gadget id="calculator">100 * 100</gadget>
<output>10_000</output>

<gadget id="calculator">100 - 30</gadget>
<output>70</output>

<gadget id="calculator">100 - 20</gadget>
<output>80</output>

<gadget id="calculator">70 * 80</gadget>
<output>5_600</output>

<gadget id="calculator">10_000 - 5_600</gadget>
<output>4_400</output>

<gadget id="calculator">4_400 / 100</gadget>
<output>44</output>

<result>C</result>
a towel, when bleached, lost 30 % of its length and 20 % of its breadth. what is the percentage decrease in area?
divide(subtract(multiply(const_100, const_100), multiply(subtract(const_100, 30), subtract(const_100, 20))), const_100)
percentage change in area = ( − 30 − 20 + ( 30 × 20 ) / 100 ) % = − 44 % i . e . , area is decreased by 44 % answer : c