Mathematics · Oct / Nov 2023 · Paper 22 · Question 20
0580
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The area of a rectangle is . cm 55 2 2, correct to 1 decimal place. The length of the rectangle is 9 cm, correct to the nearest cm. Calculate the upper bound of the width of the rectangle. cm [3]
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6.5 nfww [3]
M2 for 55.2 0.05 + 55.2 to 55.3 or − 8 to 9 9 0.5
or M1 for 9 + 0.5 or 9 – 0.5 or 55.2 + 0.05 or 55.2 – 0.05
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