Question
The total height of 4 boys and 7 girls is 1711 cm.
The average height of the 4 boys is 146 cm.
What is the average height of each girl?
1 m

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The total height of 4 boys and 7 girls is 1711 cm.
The average height of the 4 boys is 146 cm.
What is the average height of each girl?