Respuesta :

94%.  
50 x 2 = 100 
47 x 2 = 94 

Percent means per hundred so you need to times 50 by whatever the number is that makes it 100. You need to do this on both sides so you do the same with the 47.
percent * whole = part
x * 50 = 47
/50       /50
x=0.94
0.94 = 94%
94% of 50 is 47