Problem:
László went online to shop for black pepper and found thirty different black pepper options varying in weight and price, shown in the scatter plot below. In ounces, what is the weight of the pepper that offers the lowest price per ounce?
Answer Choices:
A.
B.
C.
D.
E.
Solution:
For each weight, we find the lowest price. At ounce, we have a price slightly over dollar, so the price per ounce is greater than . At ounces, we have a price of dollars, so the price per ounce is . At ounces, we have a price of about dollars, so the price per ounce is close to . At ounces, we have a price close to dollars, so the price per ounce is close to . At ounces, we have a price close to dollars, so the price per ounce is close to . The price per ounce at ounces is the lowest.
Thus, the answer is .
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions