Mathematics · Linear Equations
An economist modeled the demand Q for a certain product as a linear function of the selling price P. The demand was 20,000 units when the selling price was $40 per unit, and the demand was 15,000 units when the selling price was $60 per unit. Based on the model, what is the demand, in units, when the selling price is $55 per unit?
- 117,500
- 216,750
- 316,500
- 416,250✓
Correct answer
16,250
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