Respuesta :

blackj
20.25 or 20&1/4
100%-15
135%-x
100x=2025
*divide each side by 100*
x=20.25
or 
20&1/4
zainabdulrazzaq
Well, in mathematics, whenever OF is in a sentence, it is mostly represented by multiplication. So this basically means 135% x 115. 
  As you know,  % means over 100(/100). So the actual question is
135/100 x 115.
15525/100
155.25. 
Hope i helped.