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Primary 4 | Maths
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Chelsea
Chelsea

Primary 4 chevron_right Maths

Can someone kindly help me thank a lot

Date Posted: 6 years ago
Views: 443

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Tok Ee Hean
Tok Ee Hean's answer
5 answers (Tutor Details)
1st
You have to know that the pail has mass initially. The question is asking for mass of sand initially only. Just take the mass of extra sand added and find the mass per unit as shown in the model. Just multiply by 3 to find mass of sand at first as it was 3/8 filled.
Chelsea
Chelsea
6 years ago
Thanks a lot (^◇^)