Question
P5.ST.JC.18121199-A1
There are 7 girls and some boys.
The total height of the children is 1460 cm.
The average height of the 7 girls is 140 cm.
The average height of the boys is 160cm.
How many boys are there?
3 m
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Primary 5 STRATEGIES P5.ST.JC.18121199

16 May 2024, 04:08 AM

There are 7 girls and some boys.
The total height of the children is 1460 cm.
The average height of the 7 girls is 140 cm.
The average height of the boys is 160cm.
How many boys are there?
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