Answer:
-7
Step-by-step explanation:
Answer:
170 cm
Step-by-step explanation:
160+.06*160=160+9.6=169.6
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
I think its the second choice