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02 Dec 2024, 07:53
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Dropdown 1: 30%
Dropdown 2: 2
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
71% (03:03) correct
29%
(03:10)
wrong
based on 632
sessions
History
Date
Time
Result
Not Attempted Yet
The graph compares the cost of ethanol and gasoline in the United States with the cost of corn over a period of time. Ethanol and gasoline costs are shown on the left vertical axis, and corn costs are shown on the right vertical axis.
Select from each drop-down menu the option that creates the most accurate statement, given the information provided.
When the cost of corn was at its highest, the cost per gallon of ethanol was approximately of the cost per bushel of corn.
The range of costs for corn was approximately times greater than the range of costs for gasoline.
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Official Answer
Dropdown 1: 30%
Dropdown 2: 2
04 Jan 2025, 02:00
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Bunuel
Official Solution:
Drop-down 1:
The cost of corn, represented by the red line, was at its highest at the end of 2011, reaching approximately $8.30 per bushel (use right axis for the cost of corn). At the same time, the cost of ethanol, black line, was about $2.50 per gallon, which is \(\frac{2.5}{8.3}*100 \approx 30\%\) of the cost per bushel of corn.
Drop-down 2:
The highest cost for corn was at the end of 2011, reaching approximately $8.30 per bushel, while the lowest cost for corn was at the end of 2015, dropping to approximately $2.90 per bushel, resulting in a range of $5.40. The highest cost for gasoline was at the beginning of 2010, reaching approximately $3.40 per gallon, while the lowest cost for gasoline was at the beginning of 2008, at $0.60 per gallon, resulting in a range of $2.80. Therefore, the range of corn was approximately \(\frac{5.4}{2.8} \approx 2\) times the range of gasoline.
Correct answer:
Dropdown 1: "30%"
Dropdown 2: "2"
General Discussion
03 Dec 2024, 00:23
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How much time should one be taking to answer this question? It took me close to 3.5 mins.
