50% of 82
also
10% of 2,350
and 75% of 8.4

For all of them we use the same way to solve:
50% of 82: 
50/100 = ?/82 
so ? is the answer
82*50/100= 41 

10% of 2350:
10/100 = ?/2350 
2350*10/100 = 235 

75% of 8.4:
75/100 = ?/8.4 
8.4*75/100 = 6.3 :
I hope this is helpful
have a nice day

50% of 82= 41

10% of 2,350= 235

75% of 8.4= 6.3

I hope this helps!