5n + 7 > 12 and 7n - 5 < 44; n must be between which numbers?  Answers:
A) 1 and 8  B) 2 and 6  C) 0 and 9  D) 1 and 7  E) 2 and 9
5n &gt; 5 --&gt; n &gt; 1   7n &lt; 49 --&gt; n &lt; 7   1 &lt; n &lt; 7   Answer: 1 and 7
<result>D</result>
5n + 7 > 12 and 7n - 5 < 44; n must be between which numbers?