Carolyn makes and sells necklaces. The material to make each neckalce costs $3.20. She has 12 necklaces to sell and
wants to make a total profit of $54. The following equation describes the situation. 12(x-3.20) = 54
Carolyn found that x = 7.7 and determined that she will make a profit of $7.70 on each necklace. Which error did Carolyn
make?