Answer:
0.09 decimal 9/100 fraction
Step-by-step explanation:
Let the marks of the students in class 1 be

the average of these 12 marks is 90, so

which means

similarly, let

be the marks of the students in the second class,
so

which means

The 32 students averaged:
Answer:
Step-by-step explanation:
Random
5+(-4)= 1
14+(-13)= 1
So the answer is B. =
I hope this helps
It’s A, Because if you do KCF (Keep Change Flip) It would be 1/6 X 7/5.