Answer:
50%
Step-by-step explanation:
35-70=-35/70=0.5x100=50
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:
A) 5x + 8y
60
Step-by-step explanation:
"At least" translates to the inequality symbol
or "greater than or equal to."