Answer:
$2560
Step-by-step explanation:
if 10%=256
then 10 times the amount 100% is 2560
A, C, and D are all correct answers, since you are taking away 4 in each of the answers. Hope this helped!
Let the full marks be represented by = x
As given, 80% of x is 75
So,

x= 
x=93.75
Hence, full marks is 93.75
We can check also-
=75
Answer:1 2 and 4
Step-by-step explanation:
I just did it