You and your best friend formed a partnership. You being the creative one, makes
costume jewelry. Your best friend, being business-minded, markets the jewelry that you
make. In a recent month, You and your best friend spent 1000.00 on raw materials to
make 50 pieces of jewelry for 25.00 each. Assuming that you were not required to pay
sales tax, your net profit depends on the number of pieces of jewelry they sell.
1. The problem includes three constants: the fixed cost of materials (P1000) the price
of each piece (P25) and the total number of pieces made (50).
a. What should be the largest value of n? The largest value of P?
b. What should be the smallest value of n? The smallest value of P?
c. Write an equation that shows algebraically how to compute the net profit given the
number of pieces of jewelry sold.
2. If there are 40 pieces of jewelry sold, how much should be the profit? Explain your
Answer.
Rubrics
1 2 3 4
Identify
Appropriate
variables
No Attempt Inappropriate
variable
definition
Appropriate
variables
define
imprecisely
Appropriat
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