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primary 5 | Maths | Area & Volume
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XY
XY

primary 5 chevron_right Maths chevron_right Area & Volume chevron_right Singapore

Can advise? This is for Primary 2 maths

Date Posted: 1 month ago
Views: 19
AC Lim
AC Lim
1 month ago
Mass of table = 8 + 20 = 28kg
XY
XY
1 month ago
Hi, thanks.. the answer is 28kg but how to show in the model?
AC Lim
AC Lim
1 month ago
I found your model is correct. Primary school normally draw and put the unknown (8kg) as u (unit)
Therefore the working...
2u = 36-20
2u = 16
1u = 16 / 2 = 8 kg

Table
= u + 20
= 8 + 20
= 28 kg
XY
XY
1 month ago
Thanks for the help

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AC Lim
Ac Lim's answer
2726 answers (A Helpful Person)
1st
The model .... accepted in primary school.
XY
XY
1 month ago
Thank you