The cost of 6 pens is $3.60. What would 2 dozen pens cost?
The cost of 2 dozen pens would be $10.80.
To determine the cost for 2 dozen pens, we first find the cost of one pen and then multiply by 24 (the number of pens in 2 dozen). The cost for 6 pens is $3.60, making the cost per pen $0.60. Thus, the total cost for 24 pens is $0.60 x 24 = $14.40.
This amount represents the cost of 12 pens, not 24. Since 6 pens cost $3.60, 12 pens would cost $3.60 x 2 = $7.20, which is half the cost needed for 2 dozen.
This amount does not correspond to any logical calculation based on the given price per pen. There is no direct correlation between the quantities and costs that leads to $8.70 when calculating for 24 pens.
This is the correct choice. The cost of one pen is $0.60, and for 24 pens, the total cost is 24 x $0.60 = $14.40.
This amount is not applicable as it doesn't represent a valid calculation based on the cost of the pens provided. It is less than the expected cost of 24 pens using the established price per pen.
This figure seems arbitrary and does not correlate with the calculations of the pen prices provided. The expected cost for 24 pens is much more straightforwardly calculated at $14.40, which renders $13.92 incorrect.
This option is incorrect because one of the provided choices, $10.80, is indeed the cost of 2 dozen pens.
To summarize, the cost of 2 dozen pens can be calculated by first determining the unit price per pen and then scaling that price to 24 pens. The calculations show that the total cost amounts to $14.40, making $10.80 the correct choice for the cost of 2 dozen pens.
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