<p>Great job everyone who could help the OP.</p>
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<p>Generally, problems in prep books are purposely made more difficult to “adequately” prepare you, but I don’t think this is a good way to go about it. If you are practicing for the PSAT, I recommend buying previous years’ PSAT adminstrations from the College Board (from their website) which cost only $3, and the Answers also cost only $3.</p>