Algebraic Modelling Real-World
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Algebraic Modelling Real-World
🎯 WALT: We Are Learning To
Today we are learning to:
- Use algebraic expressions to model real-world situations
- Justify our choice of algebraic representation
- Interpret solutions in context
🎬 Part 1: Cinema Challenge
🏪 Part 2: Design Your Own Model
a) Write an expression for the monthly cost if you send t extra texts (over the 100 free): ________________
b) Calculate the cost if you send 80 extra texts: $________________
c) Explain why your expression makes sense for this situation:
Scenario:
What does x represent? ________________
What does the 8 represent? ________________
What does the 20 represent? ________________
a) Write an expression for the profit if they sell c chocolates: ________________
b) How many chocolates must they sell to break even (profit = $0)? ________________
c) Justify your answer using your algebraic expression:
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