blue book help

Test Preparation SAT Preparation
1

<p>can help me understand #12 on page 339. thanks</p>

2

<p>Third side of a triangle rule: A+B-1 and A-B+1</p>

<p>7-2+1=6
7+2-1=8</p>

<p>the answer is between 6 and 8.
Since the restriction is 2<x<7, the answer is 6.
so A</p>