### Home > MC1 > Chapter 9 > Lesson 9.3.1 > Problem 9-127

9-127.

Try doing this one without making any calculations on paper. What is 2.5 + 2.5?

Which are like parts?

Can you find the difference in your head?

432.62

9-127.

Try doing this one without making any calculations on paper. What is 2.5 + 2.5?

Which are like parts?

Can you find the difference in your head?

432.62