Question

16.5 % of 2400 = 2/3 of x

Answer 1

(2400/100)*16.5=396
So,
396=2/3 of x

x=396 *3/2

then, 
x=594

Answer 2

16.5 % of 2400 = (16.5 / 100) x 2400

= 16.5 x 24 = 396 = (2/3) x


x = 3 x 396 x (1/2)

Therefore,

x = 594

Hope this helps.

-WonderGirl