The average (arithmetic mean) of 10, 14, and 3x is 18. What is the value of x? A) 25 B) 26 C) 27 D) 30

asked Jun 19, 2021 192k views

4 votes

The average (arithmetic mean) of 10, 14, and 3x is 18. What is the value of x?

A) 25
B) 26
C) 27
D) 30

7.9k points

0 Comments

Please log in or register to add a comment.

3 votes

B

It is a great match question you go need to do 10x14+3x=18

7.1k points

0 Comments

4 votes

Mean=(10+14+3x)/(3)
Which mean value ady stated, 18
18=(10+14+3x)/(3)
54= (10+14+3x)
54-10-14=3x
3x=30
x=10

Hope this can help.

8.2k points

0 Comments

Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.