Using the provided distance table, calculate the distance between Bergville and Ladysmith and between Cape Town and Bloemfontein. Also, calculate the total distance of a trip from Durban to Johannesbu

• Durban to Johannesburg: $598 \text{ km}$
• Johannesburg to Bloemfontein: $417 \text{ km}$
• Bloemfontein to Durban: $607 \text{ km}$

• Total distance traveled by the Zikalala family: $\boxed{1622 \text{ km}}$

2.2.3:

• Distance (Bloemfontein to Durban) = $607 \text{ km}$ (from 2.2.2)
• Average speed = $100 \text{ km/h}$

• Time taken to get back to Durban: $\boxed{6.07 \text{ hours}}$

2.2.4:
Two reasons why the actual time arrived at in 2.2.3 can differ from the calculated time, even if the average driving speed is 100 km/h, are:

• Stops for rest, fuel, or food: Drivers often make stops during long journeys, which add to the total travel time but are not included in the pure driving time calculation.
• Traffic congestion or road construction: Unexpected delays due to heavy traffic, accidents, or roadworks can significantly extend the duration of the trip beyond the estimated driving time.