WiFi's answer to Manoj ghale's Secondary 1 Maths Singapore question.
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(a) One pencil = 30/x
2 pencil and 8 pen = 60/x + 2y = 2 (30/x + y)
2 pencil and 8 pen = 60/x + 2y = 2 (30/x + y)
Date Posted:
4 years ago
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