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?

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

According to the 2008 u. s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.