2026 TPSS P1 Q15

2026 TPSS P1 Q15

Secondary 4
3 marks

The diagram below shows two geometrically similar bottles.

  1. The height of the 400 ml bottle is 6.5 cm. Find the height of the 3.2 litre bottle.[2]
  2. Explain which is the bottle that is better value for money.[1]

Solution:

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Answer:(a) \(13\text{ cm}\) (b) The 3.2 litre bottle; it saves $2 per 3.2 litres.

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