Question 1159831
Rita makes and sells necklaces. The materials to make each necklace cost $2.75. Last week she made 8 necklaces and wants to make a total profit of $78. Using the equation 8 (x + 2.75) = 78, Rita determined that she needs to sell each necklace for $7 to make a total profit of $78. Which error did Rita make?
<pre>ERROR made: {{{highlight_green(matrix(1,9, 8(x + 2.75), "=", 78, ",", should, "BE:", 8(x - 2.75), "=", 78))}}}
The CORRECT equation above should give her a sale price of $12.50, each.