### Home > ACC7 > Chapter 2 Unit 1 > Lesson CC3: 2.1.5 > Problem 2-52

2-52.

When writing an expression for part (a) of problem 2-42, Ricardo wrote

Try taking Ricardo's expression and rearranging it. Can you make it into Francine's expression using only ''legal'' moves? If so, then Francine's conclusion is true.

Due to the Commutative Property of Addition, Francine is correct.