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primary 6 | Maths | Measurement
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UwU
UwU

primary 6 chevron_right Maths chevron_right Measurement chevron_right Singapore

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Date Posted: 5 years ago
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Shawn
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Shawn
Shawn
5 years ago
With only 20 and 50 cents coins, to make 90 cents the only combination is with 2 20 cents coins and 1 50 cents coin. To make $2.60 with 7 coins the only combination is 4 50 cents coins and 3 20 cents coins.