Question
The average height of some pupils is 156 cm. There is an equal number of boys and girls. The average height of the boys is 165 cm. Find the average height of the girls. Give your answer in cm.
2 m

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The average height of some pupils is 156 cm. There is an equal number of boys and girls. The average height of the boys is 165 cm. Find the average height of the girls. Give your answer in cm.