Clare drew this diagram to match the equation , but she got the wrong solution as a result of using this diagram. A tape diagram partitioned into three different sized rectangles, labeled 2, x and 16. The total length of the bar is labeled 50.

A tape diagram partitioned into three different sized rectangles, labeled 2, x and 16. The total length of the bar is labeled 50.

What value for can be found using the diagram?
Show how to fix Clare’s diagram to correctly match the equation.
Use the new diagram to find a correct value for .
Explain the mistake Clare made when she drew her diagram.