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:
<h2>I HOPE IT WILL HELP YOU.</h2>
THANK YOU.
<h2>^ - ^</h2>
Answer:
The cost of each sweater was $35
Step-by-step explanation:
To find this, first find out the cost of all the sweaters added together. We can get this by subtracting the cost of the skit from the total.
$160 - $20 = $140
Now to find the individual cost, divide the cost of all the sweaters by the number of sweaters.
$140/4 = $35
