kaidee
12.10.2020 •
Mathematics
The mean mark of 30 students in class A is 55 and
25 students of class B is 44 find the mean score of
all the students
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Ответ:
puntuación media de 23
Step-by-step explanation:
Ответ:
Step-by-step explanation:
can u show a pic pls like the work ur doing now so I can see what I can do to help