Jane spent $30 to buy materials to make bracelets. She sold the bracelets using two pricing options. Option A is 5 bracelets for $6, and Option B is 3 bracelets for $4. Jane made three sales with Option A, and six sales with Option B. Which numerical expression results in Jane’s profit? How much was Jane’s profit?
Responses
(3⋅6⋅5+6⋅4⋅3)−30; Jane’s profit was $132.
left parenthesis 3 times 6 times 5 plus 6 times 4 times 3 right parenthesis minus 30 ; Jane’s profit was $132.
(3⋅6+6⋅4)−30; Jane’s profit was $12.
left parenthesis 3 times 6 plus 6 times 4 right parenthesis minus 30 ; Jane’s profit was $12.
(3⋅6+6⋅4)+30; Jane’s profit was $72.
left parenthesis 3 times 6 plus 6 times 4 right parenthesis plus 30 ; Jane’s profit was $72.
30−(3⋅6+6⋅4); Jane did not make any profit.
(3⋅6+6⋅4)−30; Jane’s profit was $12.
This expression calculates the total revenue earned from both pricing options (3 sales of Option A and 6 sales of Option B) and subtracts the initial cost of materials. Therefore, Jane's profit was $12.