Mathematics, 15.07.2019 13:30 jumpman2344
The average height of 3 boys is 164 cm and the average height of 6 girls is 156 cm. what is the average height of all 9 children? enter your answer in meters and round your answer to the nearest tenth of a meter.
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The average height of 3 boys is 164 cm and the average height of 6 girls is 156 cm. what is the aver...
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