A custodian plans to repaint some classroom bookcases. She has 5 1/4 gallons of paint. All of the bookcases are the same size an
2 answers:
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Given:
The arithmetic mean of three consecutive even integers is 20.
To find:
The equation that can be used to find the integers.
Solution:
Let the three consecutive even integers are x, x+2 and x+4.
We know that,
The arithmetic mean of three consecutive even integers is:
It is given that, mean = 20. So,
Therefore, the correct option is E.