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Ugo [173]
3 years ago
9

There are 25 students in Mrs. Venetozzi’s class at the beginning of the school year, and the average number of siblings for each

student is 3. A new student with 8 siblings joins the class in November.The average number of siblings that each student has is
Mathematics
2 answers:
NeTakaya3 years ago
8 0
THE ANSWER IS 83!!!!!!!!!!
leva [86]3 years ago
6 0

Answer:

The new average is  

83

÷

26

=

3

5

26

exactly

83

÷

26

≈

3.192

to 3 decimal places

Explanation:

Assumption: None of the siblings are in that class.

Original numbers

25 students with 3 siblings each gives  

25

×

3

=

75

siblings

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

New numbers

1 new student takes the total students to 25+1 = 26

The new total siblings is  

75

+

8

=

83

The new average is  

83

÷

26

=

3

5

26

exactly

83

÷

26

≈

3.192

to 3 decimal places

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