Multiple Choice
Some highways have one lane;others have two,three,or more.If each lane costs $10 million per mile,an economist assumes that the total benefit of a three-lane highway must be _____ million per mile.
A) less than $10
B) $10 to $20
C) $20 to $30
D) $30 or more
Correct Answer:
Verified
Correct Answer:
Verified
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