9.76 dollars.
1.22 dollars is the cost for each pound.
<span>Profit= Total Revenue- Cost of goods- operating expense so the total Profit for this problem is $1,000</span>
Answer:
The two roots of the quadratic equation are

Step-by-step explanation:
Original quadratic equation is 
Divide both sides by 9:

Add
to both sides to get rid of the constant on the LHS
==> 
Add
to both sides

This simplifies to

Noting that (a + b)² = a² + 2ab + b²
If we set a = x and b =
we can see that
= 
So

Taking square roots on both sides

So the two roots or solutions of the equation are
and 

So the two roots are

and

Lee's class has 35...Fred's has 25..
total is 60