Mao's answer to YC's Primary 5 Maths Fractions Singapore question.
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Lowest amount possible is with only 1 $5 note. Meaning there’s 4 $10 notes. So lowest amount he can have is $45. Since 90 is a multiple of 45 by multiplying by 2, Mr Liew had 2 x $5 notes
Date Posted:
1 year ago
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