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Time for second segment = 120 km / 80 km/h = 1.5 hours.
Total travel time = 3 + 1.5 = 4.5 hours.
A rectangular swimming pool measures 25 meters in length, 10 meters in width, and 2 meters in depth. If it is filled with water, calculate the weight of the water in kilograms (density of water = 1000 kg/m³).
Volume = 25 * 10 * 2 = 500 cubic meters.
Weight of water = 500 * 1000 = 500,000 kg.
#### 500,000
A laptop depreciates in value by 20% each year. If its initial price was $1,500, what is its value after 3 years?
After Year 1: $1,500 * 0.80 = $1,200.
After Year 2: $1,200 * 0.80 = $960.
After Year 3: $960 * 0.80 = $768.
