Ten years ago the number of taxpayers in Greenspace County was slightly greater than the number of registered voters. The number of taxpayers has doubled over the last ten years, while the number of registered voters has increased, but at a lower rate than has the number of taxpayers.

Which of the following must be true in Greenspace County if the statements above are true?

Correct answer marked below

The number of taxpayers is now smaller than the number of registered voters.\n

Everyone who is a registered voter is also a taxpayer.

The proportion of registered voters to taxpayers has increased over the last ten years.

The proportion of registered voters to taxpayers has decreased over the last ten years.

Correct

The proportion of registered voters to taxpayers has remained unchanged over the last ten years.

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What this question tests

Whether you can draw a conclusion that must follow from the stated facts.

Choosing an option that could be true or is likely true — inference answers must be guaranteed by the passage.