Question
P5.ST.JC.18121199-A1
There are 4 boys and some girls.
The total height of the children is 1530 cm.
The average height of the 4 boys is 120 cm.
The average height of the girls is 150cm.
How many girls are there?
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Primary 5 STRATEGIES P5.ST.JC.18121199

02 Jul 2024, 08:44 PM

There are 4 boys and some girls.
The total height of the children is 1530 cm.
The average height of the 4 boys is 120 cm.
The average height of the girls is 150cm.
How many girls are there?
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