AC Lim's answer to Lau's Primary 4 Maths Singapore question.
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The jug is 7kg when 2/5 is filled
The jug then weights 13kg when it is full
So, 3/5 is equal to 13-7 which is 6
When 3/5 is 6,
1/5 will be 2
5/5 will be 2x5
=10
13-10=3
The jug weights 3kg
The jug then weights 13kg when it is full
So, 3/5 is equal to 13-7 which is 6
When 3/5 is 6,
1/5 will be 2
5/5 will be 2x5
=10
13-10=3
The jug weights 3kg
Date Posted:
4 years ago
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