Ng Peng Liang's answer to Sheryl's Secondary 1 Maths Singapore question.
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(a) Total cost = $14 (fertiliser) + $10 (soil) = $24
Total weight = 2.5kg
Cost per kg = $24/2.5kg = $9.6/kg
(b) Profit = 14.4 - 9.6 = $4.8/kg
Total weight = 2.5kg
Cost per kg = $24/2.5kg = $9.6/kg
(b) Profit = 14.4 - 9.6 = $4.8/kg
Date Posted:
1 year ago
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