SAT Reading & Writing · Command of Evidence (quantitative)

A historian counted the number of advertisements for three kinds of products in two issues of the same newspaper, one published in 1900…

A historian counted the number of advertisements for three kinds of products in two issues of the same newspaper, one published in 1900 and one in 1920.

| Product type | 1900 ads | 1920 ads |
|---|---|---|
| Bicycles | 18 | 7 |
| Automobiles | 2 | 24 |
| Sewing machines | 11 | 10 |

Which choice most effectively supports the claim that the newspaper’s advertising mix shifted toward automobiles over the period?

Answer and explanation

Answer: A: Automobile ads increased from 2 to 24 while bicycle ads declined from 18 to 7.

The claim is about a mix shifting toward automobiles specifically, and A supplies the two clearest supporting trends: an automobile surge and a bicycle decline. B reports a small, unrelated change in a third category. C reports a total that doesn't address any shift in the mix between categories. D is true of both years but doesn't address a shift in emphasis.

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