7
QuizMultiple Choice
Solving Multi-Step Equations
Question 7 of 10 • FL-1205040-M/J Grade 7 Mathematics B -GF
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 , Rita determined that she needs to sell each necklace for $7 to make a total profit of $78. Which error did Rita make?
Answer
A
Although she has the correct equation, she needs to sell each necklace for $12.50.B
Although she has the correct solution, she should have used the equation .
C
The equation should be , and she needs to sell each necklace for $12.50.
D
The equation should be , and she needs to sell each necklace for $75.25.