Question
The total height of 4 girls and 5 boys is 1397 cm.
The average height of the 4 girls is 143 cm.
What is the average height of each boy?
1 m

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The total height of 4 girls and 5 boys is 1397 cm.
The average height of the 4 girls is 143 cm.
What is the average height of each boy?