The product of x and y is a constant. If the value of x is increased by 20%, by what percentage must the value of y be decreased?	Pick.
A) 16.66%	B) 33.33%	C) 44.44%	D) 55.55%	E) 19.92%
x*y = constt.   Let x = y = 100 in beginning   i.e. x*y = 100*100= 
<gadget id="calculator">100*100</gadget>
<output>10_000</output>
10000   x (100) ---becomes---&gt; 1.2x (120)   i.e. 120*New 'y'= 10000   i.e. New 'y' = 10000/120 = 83.33   i.e. y decreases from 100 to 83.33 i.e. Decrease of 16.66%   16.66%nswer: option 16.66%
<result>A</result>
The product of x and y is a constant. If the value of x is increased by 20%, by what percentage must the value of y be decreased?