Use the hundredth grids below to answer the questions. The first two hundredth grids show Sophia's work. The second two hundredth grids show Aiden's work. Part A Which student correctly models the problem 1.25 + 0.4. Type your answer in the box. Part B What is the correct answer for 1.25 + 0.4? Part C Explain the errors made by the incorrect student. Refer back to the models and use equations to support your explanation.
PLEASE DO NOT FORGET PART C