To model this situation, we need to create two equations: one for the costs incurred by the team and another for the revenue generated from selling the T-shirts.
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Cost Equation: The total cost (y) for producing x shirts is made up of a fixed cost of $100 plus $10 per shirt. Therefore, the cost equation is: \[ y = 10x + 100 \]
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Revenue Equation: The revenue (y) from selling x shirts at $15 each is: \[ y = 15x \]
So the two equations that model this situation are:
- Cost Equation: \( y = 10x + 100 \)
- Revenue Equation: \( y = 15x \)
Based on the response options provided, the correct choice would be:
- y = 10x + 100
- y = 15x (However, this option isn't listed among your choices)
So among the provided options, the first equation is correct for the cost. The second equation for revenue should be \( y = 15x \), but if it's not listed, there may be an issue with the options provided.