16. Which of the following represents the purchase price in dollars for 2,500 pencils?
Answer: C
The purchase price for 2,500 pencils is represented by 20n.
The expression that accurately represents the purchase price in dollars for 2,500 pencils is 20n, indicating that each pencil costs 20 cents.
A) 10n
This option implies that the cost per pencil is 10 cents, resulting in a total price of $250 for 2,500 pencils. This does not match the correct calculation of the total price.
B) 15n
Choosing this option suggests that each pencil costs 15 cents, leading to a total of $375 for 2,500 pencils. This value is incorrect as it does not align with the correct price per pencil.
C) 20n
This is the correct representation, indicating that each pencil costs 20 cents, resulting in a total price of $500 for 2,500 pencils. This accurately reflects the question's requirement.
D) 30n
This choice suggests that each pencil costs 30 cents, resulting in a total of $750 for 2,500 pencils. This significantly overstates the purchase price and is therefore incorrect.
Conclusion
The correct answer is 20n, as it accurately represents the cost of 2,500 pencils at 20 cents each, totaling $500. All other options either underestimate or overestimate the price based on the given context. Thus, option C is the only accurate representation of the purchase price.