I think it's 37.5 . I'm pretty sure cause I think you divide 3/8 . Then you go 2 to the right for your answer with the decimal. Not sure but . I think I'm right.
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:
Step-by-step explanation:
if you multiply any number in the first sequence by 3, you get that number in sequence 2 in the same position as the first number.
6x3=18
7x3=21
8x3=24
9x3=27
10x3=30
The answer to the area of the triangle is 21 because the base is equal to 6 and the height is 7 so you multiply 6 times 7 then divided by 2 because a triangle is 1 half of a square
Check issued on 2/17 was 104.92.....TRUE
deposits on 2/22 and 3/8 were diff amounts...FALSE
several service charges for 5.50....FALSE
ending balance was larger then last....TRUE
11 checks written...FALSE