The associative property states that you can add or multiply regardless of how the numbers are grouped. By 'grouped' we mean 'how you use parenthesis'. In other words, if you are adding or multiplying it does not matter where you put the parenthesis. Add some parenthesis any where you like!.
Moving is definitely one of the most challenging and tiring activities you can do in your life. It requires a lot from your time, money, and strength. The challenge is to make sure that everything is very well organized, so loading and unloading process will be less of a hassle.