SOLUTION: if the average of 5 consecutive odd numbers is 11, then the largest number is what

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Question 354762: if the average of 5 consecutive odd numbers is 11, then the largest number is what
Answer by unlockmath(1688) About Me  (Show Source):
You can put this solution on YOUR website!
Hello,
Let x represent the first odd number. Then the other 4 will be shown as:
[x+(x+2)+(x+4)+(x+6)+(x+8)]/5=11
Combine like terms to get:
(5x+20)/5=11
Multiply both sides by 5 to get:
5x+20=55
Subtract 20 to get:
5x=35
Divide by 5 to get:
x=7
So the largest is 15
Make sense?
RJ
www.math-unlock.com