Question
Some rods are placed an equal distance from one another on a table. The distance between the first and the tenth rod is 45 cm. The distance between the eighth and the last rod is 25 cm. How many rods are there altogether?
4 m

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Some rods are placed an equal distance from one another on a table. The distance between the first and the tenth rod is 45 cm. The distance between the eighth and the last rod is 25 cm. How many rods are there altogether?