Grandfather 3
Grandfather bought a square field of 900 square metres. A beet seedling occupies 20 square centimetres, and a parsley seedling occupies 10 square centimetres. He started by planting beets in the first row, with every second row planted with parsley. He alternated the rows. How many beet and parsley seedlings did he plant, given that he always left a 20-centimetre-wide path between rows of beets and parsley?
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arithmeticplanimetryUnits of physical quantitiesGrade of the word problem
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