Mathematics · May / June 2021 · Paper 21 · Question 20
0580
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The distance between two towns is 600 km, correct to the nearest 10 km. A car takes 8 hours 40 minutes, correct to the nearest 10 minutes, to travel this distance. Calculate the lower bound for the average speed of the car in km/h. km/h [3]
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68 nfww [3]
M2 for 600 − 5 590 600 to or oe 8h 40 to 8h 50 8h 40 5 m + [ ]
or M1 for 600 – 5 oe or 8h 40 + 5[m] oe or 520 + 5 oe[m] seen
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