Question
The actual masses of two wooden crates, Y and Z, are measured in hundredths. The mass of Crate Y is rounded off to 17.9 kg and the mass of Crate Z is rounded off to 18.9 kg. What is the greatest possible difference in the actual masses of these two crates? Give your answer in kg.
2 m

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The actual masses of two wooden crates, Y and Z, are measured in hundredths. The mass of Crate Y is rounded off to 17.9 kg and the mass of Crate Z is rounded off to 18.9 kg. What is the greatest possible difference in the actual masses of these two crates? Give your answer in kg.