Answer:
-43 necklaces.
-total expenses=Sales=$473
Step-by-step explanation:
The breakeven point is the point where the sales revenue equals the expenditure.
-The fixed expenses is $172
-Let x be the number of necklaces sold, the breakeven point is expressed as:
[tex]Sales= Expenses\\\\11x=7x+172\\\\4x=172\\\\x=43[/tex]
Hence, Shelby has to sell 43 necklaces to breakeven.
#The expenses at the breakeven point is:
[tex]E=7x+172\\\\=7\times43+172\\\\=473[/tex]
Hence, expenses at breakevent point is $473
#Sales is equal to expenses at this point, hence, sales of $473