Mr Ang's answer to Isaac's Primary 5 Maths Fractions Singapore question.
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1 plushie = 2 keychains
1/4 money = 8 plushies + 4 keychains = 8 plushies + 2 plushies = 10 plushies
Remaining money = 1 - 1/4 = 3/4
1/2 of remaining money = 1/2 × 3/4 = 3/8 money
1/4 = 2/8 = 10 plushies
1/8 = 5 plushies
3/8 = 15 plushies
Total plushies = 8 + 15 plushies = 23 plushies
1/4 money = 8 plushies + 4 keychains = 8 plushies + 2 plushies = 10 plushies
Remaining money = 1 - 1/4 = 3/4
1/2 of remaining money = 1/2 × 3/4 = 3/8 money
1/4 = 2/8 = 10 plushies
1/8 = 5 plushies
3/8 = 15 plushies
Total plushies = 8 + 15 plushies = 23 plushies
Date Posted:
4 years ago
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