Priscilla Ng's answer to Suehanah's Primary 6 Maths Fractions Singapore question.
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Answer given in your question is not for number of $5 at first.
Checking for accuracy of answer 63 :
Number of $5 at first: 63
Number of $10 at first: 3 x 63 = 189
Number of $5 used: 28 (twice of 14)
Number of $10 used: 14
Number of $5 left: 35 (63 - 28 = 35)
Number of $10 left: 5 x 35 = 175 (189 - 14 = 175)
Hope the model drawing helps you to understand the solution.
Checking for accuracy of answer 63 :
Number of $5 at first: 63
Number of $10 at first: 3 x 63 = 189
Number of $5 used: 28 (twice of 14)
Number of $10 used: 14
Number of $5 left: 35 (63 - 28 = 35)
Number of $10 left: 5 x 35 = 175 (189 - 14 = 175)
Hope the model drawing helps you to understand the solution.
Date Posted:
5 years ago
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