To find the constant of proportionality in dollars per ticket, we first determine the cost of one ticket when buying a set of 3 raffle tickets for $5.00.
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Calculate the cost per ticket: \[ \text{Cost per ticket} = \frac{\text{Total cost for 3 tickets}}{\text{Number of tickets}} = \frac{5.00}{3} \]
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Perform the division: \[ \frac{5.00}{3} \approx 1.6667 \]
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Round to the nearest cent: \[ 1.6667 \approx 1.67 \]
Thus, the constant of proportionality in dollars per ticket is approximately $1.67.
The answer is B. $1.67.
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