Problem:
Car traveled at a constant speed for a given time. This is shown by the dashed line. Car traveled at twice the speed for the same distance. If Car 's speed and time are shown as solid line, which graph illustrates this?
Answer Choices:
A.
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B.
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C.
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D.
E.
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Solution:
The second car travels the same distance at twice the speed; therefore, it needs half the time required for the first car. Graph shows this relationship.
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions