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Mathematics, 12.09.2021 14:00 paaoolav

a) The circumference of the wheel of a bus is 2.8 m. How many number of revolution does it make to cover 5.6 km? b) The diameter of a circular coin is 1.14 cm. How many coins of the same size are required to place in a straight row to cover 17.1 m distance? ​

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