Mrs. Jones wrote an equation on the board. She asked the students to solve for the variable, w. Marcus solved it on his paper using the following steps.


Step 1 w over 0.14 equals 4.2
Step 2 the sum of 0.14 and w over 0.14 equals 4.2 plus 0.14
Step 3 w = 4.34


Part A: Review Marcus' work for solving the equation. State the step in which the error occurred, and describe the error using your mathematics vocabulary. (8 points)

Part B: Solve the equation, correcting any errors you may find. Show all the steps in your work. (4 points)