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:
It is between c 12 and d 13
12 cartons will be 15
and 13 will be 16.3
Answer:
Yes, they are congruent by either ASA or AAS.
Step-by-step explanation:
google lol
Answer:
the answer of this question is 1.25
X=1/5y+6/5
hope this helps!