A kindergarten school has square mats in two colors, red and blue. The ratio of the perimeter of the red mat to the perimeter of the blue mat is 2 : 1. The area of the red mat is 64 square feet.
What is the area of the blue mat?
16 square feet
32 square feet
60 square feet
128 square feet

Question

A kindergarten school has square mats in two colors, red and blue. The ratio of the perimeter of the red mat to the perimeter of the blue mat is 2 : 1.  The area of the red mat is 64 square feet.
What is the area of the blue mat?  
16 square feet
32 square feet
60 square feet
128 square feet

anonymous · Answer

16 square feet. Ratio of re/blue perimeter(4r_red/4r_blue)=2/1 => 
r_red/r_blue=2  => area of red/area of blue =4 => area of blue =(1/4)*area of red
=16 sq feet