# A car and a truck were traveling to Asmara at constant speeds. The car overtook the truck when they were 420 km from Asmara. The car arrived in Asmara at 6:30 p.m. while the truck was still 120 km away. The truck arrived 8:30 p.m. What was the car speed?

The car's speed is 84 km/ hour.e

There may be better ways to solve this but breaking the problem into smaller pieces works.

First the truck traveled 120 Km in two hours.

Take 8:30 - 6:30 = 2 hours.

The truck (assuming constant speed) travels at 60 km/ hr. This can be used to find the time it took the car to travel to the town

Now find the speed of the car by dividing distance by time.

420 km/ 5 hours = 84 km /hour.

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To find the speed of the car, you can use the formula:

[ \text{Speed} = \frac{\text{Distance}}{\text{Time}} ]

Given that the car traveled 420 km in 2 hours and the truck traveled 300 km (420 km - 120 km) in 2 hours, you can calculate their speeds.

The car's speed would be ( \frac{420 \text{ km}}{2 \text{ hours}} ), and the truck's speed would be ( \frac{300 \text{ km}}{2 \text{ hours}} ).

So, the car's speed is ( \frac{420 \text{ km}}{2 \text{ hours}} = 210 \text{ km/h} ).

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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