Posted by NEU on Monday, May 20, 2013 at 11:10am.
Kathy DesMaris has a rectangular field that is 644 feet wide. One portion of the field is 5x feet long. The other portion of the field is 8y long. Use the distributive property to find an expression for the area of this field.

math  Steve, Monday, May 20, 2013 at 11:20am
a = 644(5x) + 644(8y)
= 644(5x+8y)