Question
4 rods are needed to form 1 square. 7 rods are needed to form 2 squares. 10 rods are needed to form 3 squares. How many rods are needed to form 5 squares?
4 m

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4 rods are needed to form 1 square. 7 rods are needed to form 2 squares. 10 rods are needed to form 3 squares. How many rods are needed to form 5 squares?