Question
P5.ST.JC.18121199-A1
There are 5 girls and some boys.
The total height of the children is 1510 cm.
The average height of the 5 girls is 120 cm.
The average height of the boys is 130cm.
How many boys are there?
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Primary 5 STRATEGIES P5.ST.JC.18121199

02 Jul 2024, 03:58 PM

There are 5 girls and some boys.
The total height of the children is 1510 cm.
The average height of the 5 girls is 120 cm.
The average height of the boys is 130cm.
How many boys are there?
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