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Question 113

Which purchase has the lowest price per kilogram?

  1. 4.80 dollars for 1.2 kilogramsBonne réponse
  2. 6.25 dollars for 1.25 kilograms
  3. 3.60 dollars for 0.8 kilogram
  4. 7.50 dollars for 1.5 kilograms

Explication

The unit prices are 4.80 ÷ 1.2 = 4, 6.25 ÷ 1.25 = 5, 3.60 ÷ 0.8 = 4.5, and 7.50 ÷ 1.5 = 5 dollars per kilogram. Comparing total prices alone would wrongly favour 3.60 dollars even though its quantity is also smaller.

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Question 113: Which purchase has the lowest price per kilogram? · Decimals and Place Value · Questena