Joan is selling handmade Bead necklaces at a local art fair. She paid $170 to reserve her booth. The cost of supplies for each necklace averages two dollars. So, her cost, y, for x Necklaces is represented by y= $170 +2x. If she sells her necklaces for $12, her revenue, y, is represented by y=12x The solution of this system
Is the break even point, the point beyond which she starts making a profit.

Use the system of equations to find how many necklaces Joanne needs to sell to break even.