Answer:
I believe that it is 21
Explanation:
If you divide 28 by 24 you will get the percentage increase from the pink shape to the green shape then you multiply 18 by the percentage to get your answer
s=22
Because the largest side of the big rectangle is 4 more than the largest side of the small rectangle, the smaller side of the big rectangle is 4 more that the smaller side of the small rectangle.
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