The system of inequalities is:
and 
<em><u>Explanation</u></em>
Let
be the amount of live bait and
be the amount of natural bait.
As John would like to get at least 3 pounds of live bait, so the first inequality will be: 
Given that, price of live bait is $12 per pound and natural bait is $7 per pound. Also, he only has a budget of $63. That means, he can spend maximum $63
So, the cost for buying
pound of live bait
and the cost for buying
pound of natural bait 
Thus, the second inequality will be: 