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primary 5 | Maths | Whole Numbers
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Owen
Owen

primary 5 chevron_right Maths chevron_right Whole Numbers chevron_right Singapore

how to solve, find one book?

Date Posted: 1 year ago
Views: 543
Wee Wen Shih
Wee Wen Shih
1 year ago
cost of 1 file is 1 unit
cost of 1 book is 3 units

cost of 3 files and 3 books is 12 units
12 units ---> $25.80
3 units ---> $6.45

A book costs $6.45.

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AC Lim
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