### July 13, 2020

**Reading Time: 2 minutes**

Hi! Great that you are keen to understand the solution that utilizes simple logic!

**Let’s start with the problem statement once again:**

**Solution:**

Note that the orange rectangle and the pink rectangle have the same height (H1):

Also, the ratio of the areas of the two rectangles is 15:45 or 1:3

Therefore, the ratio of the width of the orange rectangle to the width of the pink rectangle must be 1:3 (heights are same and area = height x width)

Next, observe that the blue rectangle shares the same width with the orange rectangle (W1) and the green rectangle shares the same width with the pink rectangle (W2):

Therefore, the ratio of the width of the blue rectangle to the width of the green rectangle must be 1:3

Also, these two rectangles have the same height (H2):

**Hence, the ratio of the area of the blue rectangle to the area of the green rectangle must be 1:3**

**Area(Blue):Area(Green) = 1:3**

**18:Area(Green) = 1:3**

**Therefore,**

**Area(Green) = 18 x 3 = 54**

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