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Expressions and Equations: Comparing Algebraic Representations
Choosing the Best Algebraic Model
Description
Choosing the Best Algebraic Model
Introduction
Real-world situations can be represented using different algebraic models. Choosing the best model depends on the information given and whether the situation describe...
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Transcript
Lucy wants to decorate her room with fairy lights that cost $8 per string.
Let x represent the number of strings Lucy buys. Because x represents the number of strings, it must be a nonnegative whole number. The expression 8x represents the total cost of any number of strings.
If Lucy decided to spend exactly $40, she could represent...
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