Question
P5.ST.JC.18121199-A1
There are 6 girls and some boys.
The total height of the children is 1540 cm.
The average height of the 6 girls is 138 cm.
The average height of the boys is 178cm.
How many boys are there?
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Primary 5 STRATEGIES P5.ST.JC.18121199

03 Jul 2024, 05:12 PM

There are 6 girls and some boys.
The total height of the children is 1540 cm.
The average height of the 6 girls is 138 cm.
The average height of the boys is 178cm.
How many boys are there?
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