SOLUTION: The sum of three consecutive odd numbers is 69. What is the smallest of these numbers?

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Question 709248: The sum of three consecutive odd numbers is 69. What is the smallest of these numbers?
Answer by Stitch(470)   (Show Source): You can put this solution on YOUR website!
Equation 1:
Equation 2:
Equation 3:
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Note that B & C are written in terms of A. Substitute their values into equation 3.
Equation 3:

Combine like terms

Subtract 6 from both sides

Divide both sides by 3

Now plug 21 into equations 1 & 2 for A.
-----------------------------------
Equation 1:


-----------------------------------
Equation 2:


The smallest number is 21.

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