SOLUTION: Kailey is making earrings to sell at a local market. She spends $80 on supplies and decides to keep 4 pairs of earrings to give to her friends. Kailey sells the rest of the earring

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Question 1177892: Kailey is making earrings to sell at a local market. She spends $80 on supplies and decides to keep 4 pairs of earrings to give to her friends. Kailey sells the rest of the earrings she made for $175, making a profit of $9 per pair of earrings.
If n represents the number of pairs of earrings Kailey made, then an equation that represents this information is:

9=(175/n-4)-(80/n)
Identify all restrictions on the variable n in this context. (2 marks)

Found 2 solutions by MathLover1, ikleyn:
Answer by MathLover1(20849)   (Show Source): You can put this solution on YOUR website!


restrictions on the variable:
as you can see, the variable is in denominator and denominator be equal to
it will be be equal to if or be equal to =>

so, restrictions on the variable are: and

Answer by ikleyn(52781)   (Show Source): You can put this solution on YOUR website!
.

            The answer by @MathLover1 is incorrect.

            I came to bring the correct answer.


The restrictions are:  n must be an integer number greater than 4.

Solved, answered, and completed.



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