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SAT Test Quantitative Comparison Answers

1.) A.  This is a “gimme” for most test takers. However, sometimes students are thrown off when the numbers contain a different number of decimal points.

2.) C.  Column A and B can both be factored to (24a + 6)/30a.

3.) A.  Note that x is positive. Since a smaller positive denominator will result in a larger number, Column A must be larger than Column B. (You could have also applied to numbers such as 0.01 and 1,000 to come to the same conclusion.)

4.) B.  Column B equals 180°. All three angles of the triangle also equal 180°. Column A, which consists of 2 of these 3 angles, must, therefore, be the lesser amount.

5.) A.  Column A equals $288 and Column B equals $280.

Think of it this way: Which would be cheaper? Item A which is 100% off the list price of $400 or Item B which has been marked down 2 consecutive times by 50%? Obviously Item A would be free and Item B would be marked down by a cumulative 75%!