Question
P5.ST.JC.18121199-A1
There are 5 boys and some girls.
The total height of the children is 1420 cm.
The average height of the 5 boys is 130 cm.
The average height of the girls is 154cm.
How many girls are there?
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Primary 5 STRATEGIES P5.ST.JC.18121199

16 May 2024, 11:45 PM

There are 5 boys and some girls.
The total height of the children is 1420 cm.
The average height of the 5 boys is 130 cm.
The average height of the girls is 154cm.
How many girls are there?
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