To find the cost of one shirt, we can use the information given in the table. The table shows different quantities of shirts and their respective total costs.
We can calculate the cost per shirt by dividing the total cost by the quantity of shirts for each entry. Here’s the calculation for each:
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For 6 shirts at $18: \[ \text{Cost per shirt} = \frac{18}{6} = 3 \text{ dollars} \]
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For 5 shirts at $15: \[ \text{Cost per shirt} = \frac{15}{5} = 3 \text{ dollars} \]
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For 4 shirts at $12: \[ \text{Cost per shirt} = \frac{12}{4} = 3 \text{ dollars} \]
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For 3 shirts at $9: \[ \text{Cost per shirt} = \frac{9}{3} = 3 \text{ dollars} \]
In each case, the cost of one shirt is $3.
Therefore, the cost for one shirt is $3.