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Making Models : Write an algebraic formula that models the given quantity.
14. The average $A$ of two numbers $a$ and $b$
$A=\frac{a+b}{2}$
Algebra
Chapter 0
Prerequisites
Section 1
Modeling the Real World with Algebra
Equations and Inequalities
Missouri State University
Campbell University
Harvey Mudd College
Baylor University
Lectures
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this problem asked us to find the average, which is going to be represented by a big A of any two numbers which will be called little A and little bee. So the way that we're going to go about solving this problem is first, just use the formula that we already know to find the average of some numbers. So this formula just says you're going to add two numbers together and then divide by the total number of entries of values that you're averaging. So A and B, you only have two entries. So we know that the average of Andy is going to be a plus B over two, which we will set equal to big, eh? And there's our solution.
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