A 200 g packet of nuts costs R17. At the same price per gram, what would 1000 g cost?
Answer and explanation
Correct answer: C. R85
- Step 1: 1000 g is 5 times 200 g.
- Step 2: Cost = 5 × R17 = R85.
Answer
R85.
Why not the others: R3,40: the ratio of masses was inverted. R25: the working contains a slip: the extra mass was added in some unit. R17: the mass was not compared with the original pack size.
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