Carolyn makes and sells necklaces. the material to make each necklace costs$3.20 last week she made 12 necklaces and wants to make a total profit of $54using the equation 12(x-3.20) = 54 carolyn determined that she will make a profit of$7.70 on each necklace. which error did carolyn make?

Select the correct answer from each drop-down menu. the table shows the annual sales revenue for different types of automobiles from three automobile manufacturers. sales revenue (millions of dollars) suv sedan truck marginal total b & b motors 22 15 9 46 pluto cars 25 27 10 62 panther motors 26 34 12 72 marginal total 73 76 31 180 the company with the highest percentage of sales revenue from sedans is . of the annual sales revenue from suvs, the relative frequency of pluto cars is .