Ng Tze Henn's answer to Anna Chen's Primary 6 Maths Singapore question.
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25% = 1/4
Since 3/7 of money is left and 3 cannot be divided by 4 directly, convert the ratio 3:7 into a multiple of 4 (12:28) so that 12 can be divided by 4 directly.
Since 3/7 of money is left and 3 cannot be divided by 4 directly, convert the ratio 3:7 into a multiple of 4 (12:28) so that 12 can be divided by 4 directly.
Date Posted:
5 years ago
Thanks alot!
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