Chen Jiamin's answer to Tasha Natasha sha's Primary 5 Maths Singapore question.
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Sorry a bit messy. The key to this question is to realise that the difference between red and pink buttons is the SAME before and after new ones are added in. Need to use a bit of algebra haha
U is the number of units before and u is the number of units after.
Hope it helped!!
U is the number of units before and u is the number of units after.
Hope it helped!!
Date Posted:
5 years ago
Thank youu!!
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