Question

Alexis has a rectangular piece of red paper that is 4 centimeters wide. it's length is twice it's width. she glues a rectangular piece of blue paper on top of
the red piece measuring 3 centimeters by 7 centimeters how many square centimeters of red paper will be visible on top

Answer 1

The area of the red piece of paper is A= 4(2*4)= 4*8= 32 in^2.
The area of the blue piece of paper is A= 3*7=21 in^2. You subtract 21 from 32 and the difference is 11. So 11in^2 is visible.