IGCSE MATHEMATICS 0580/42/O/N/20 Q1

Question

1 Karel travelled from London to Johannesburg and then from Johannesburg to Windhoek.
(a) The flight from London to Johannesburg took 11 hours 10 minutes. The average speed was 813 km/h.
Calculate the distance travelled from London to Johannesburg. Give your answer correct to the nearest 10 km.
(b) The total time for Karel’s journey from London to Windhoek was 15 hours 42 minutes. The total distance travelled from London to Windhoek was 10 260 km.
(i)Calculate the average speed for this journey.
(ii) The cost of Karel’s journey from London to Windhoek was $470.
(a) Calculate the distance travelled per dollar.
(b) Calculate the cost per 100 km of this journey. Give your answer correct to the nearest cent.
(c)Karel changed $300 into 3891 Namibian dollars. Complete the statement.

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    2021-03-27T15:24:44+08:00

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