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The arithmetic mean of these five expressions is 24. What is the value of $x$?

 Apr 7, 2020
 #1
avatar+111329 
+1

Adding  the terms  we  get

 

5x + 40

 

So

 

[5x + 40 ]  / 5  =    24     multiply both sides  by  5

 

5x +  40   =  120        subtract  40 from both sides

 

5x =  80     divide both sides by 5

 

x = 16

 

 

cool cool cool

 Apr 7, 2020

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