6.5 inches + 13 inches + 6.5 inches + 13 inches = ?? inches
Can you think of an algebraic way to say all that?
the width of a rectangle is 6 1/2 inches the length of the rectangle is 2wice its width. what is the perimeter of the rectangle?
3 answers
2(6.5+2*6.5) = ?
how about 6*6.5 = 6*6 + 3 :) ?