Question

why is the class mark between 25 to 30 is 27.5........
...
.

.

.
plzzz explain it to me
...
tmro is my algebra prelim ​

Answer 1

Answer:

Let consider as 25 as A and B as 30

Now There is one formula that is A+B/2

25+30=55/2

27.5

MARK IT AS BRANLIEST

Answer 2

Answer:

Class mark = (25+30)/ 2

= 55/2

= 27.5