Question
P5.ST.JC.18121191-A1
There are 3 girls and 9 boys.
The average height of the 3 girls is 108 cm.
The average height of 9 boys is 140 cm.
What is the average height of all the children?
2 m
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Primary 5 STRATEGIES P5.ST.JC.18121191

18 Jun 2024, 10:03 PM

There are 3 girls and 9 boys.
The average height of the 3 girls is 108 cm.
The average height of 9 boys is 140 cm.
What is the average height of all the children?
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