To determine which scenario represents an equivalent price for granola, we need to calculate the price per cup based on the store's advertised price of 15 cups for $6.75.
First, we find the price per cup:
\[ \text{Price per cup} = \frac{\text{Total price}}{\text{Number of cups}} = \frac{6.75}{15} = 0.45 \]
This means the price per cup is $0.45.
Now, we'll calculate the price per cup for each of the scenarios provided:
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5 cups for $2.45: \[ \text{Price per cup} = \frac{2.45}{5} = 0.49 \]
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8 cups for $3.60: \[ \text{Price per cup} = \frac{3.60}{8} = 0.45 \]
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10 cups for $4.05: \[ \text{Price per cup} = \frac{4.05}{10} = 0.405 \]
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25 cups for $11.75: \[ \text{Price per cup} = \frac{11.75}{25} = 0.47 \]
The only scenario that matches the price per cup of $0.45 is:
8 cups for $3.60.
So, the equivalent price is 8 cups for $3.60.