Katy’s suitcase has mass $m$ kilograms, and this is 31 kg when rounded to the nearest kilogram.
(main)[2]
Complete the statement concerning the value of $m$.
Worked solution & mark scheme
This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “For each correct value: $30.5$ and $31.5$” …
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