Question
The average height of some pupils is 157 cm. There is an equal number of girls and boys. The average height of the girls is 150 cm. Find the average height of the boys. Give your answer in cm.
2 m

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The average height of some pupils is 157 cm. There is an equal number of girls and boys. The average height of the girls is 150 cm. Find the average height of the boys. Give your answer in cm.