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
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)