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?

Answer 1

6.5 inches + 13 inches + 6.5 inches + 13 inches = ?? inches

Can you think of an algebraic way to say all that?

Answer 2

2(6.5+2*6.5) = ?

Answer 3

how about 6*6.5 = 6*6 + 3 :) ?