Karel travelled from London to Johannesburg and then from Johannesburg to Windhoek. 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 $$$10260 \mathrm{~km}$$$. The cost of Karel's journey from London to Windhoek was $$$\$ 470$$$. (a) Calculate the distance travelled per dollar. ....................... km per dollar (b) Calculate the cost per $$$100 \mathrm{~km}$$$ of this journey. Give your answer correct to the nearest cent. $$$\$$$$ .......................... per $$$100 \mathrm{~km}$$$

Mathematics

IGCSE&ALevel

CAIE

Exam No：0580_w20_qp_42 Year：2020 Question No：1(b)(ii)

Answer:

$21.8$ or $21.82$ to $21.83$
$4.58$ or $4.59$ cao

E1.11.1 Demonstrate an understanding of ratio and proportion. (To include numerical problems involving direct and inverse proportion.)