Question
P5.ST.JC.18121199-A1
There are 5 girls and some boys.
The total height of the children is 1460 cm.
The average height of the 5 girls is 131 cm.
The average height of the boys is 161cm.
How many boys are there?
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Primary 5 STRATEGIES P5.ST.JC.18121199

01 Jul 2024, 04:47 PM

There are 5 girls and some boys.
The total height of the children is 1460 cm.
The average height of the 5 girls is 131 cm.
The average height of the boys is 161cm.
How many boys are there?
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