Read and solve the following problems. Write your answer and complete solution on your answer sheet. 1. Find the speed when a distance of 142 km and time is covered in 2 hours. 2. Nancy rides her horse with a constant speed of 10 km per hour. How far can she travel in-hour? 3. A police car drives with a constant speed of 56 km per hour. How far can it travel in 3 hours? 4. How much time will be taken to cover a distance of 450 km at a speed of 50 km per hour? 5. A man runs at the speed of 15 km per hour. How long will he take to cover 75 kilometers?
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Answer:
. The speed is calculated by dividing the distance by time: 142 km divided by 2 hours equals 71 km per hour.
2. Nancy can travel 10 km in one hour because the speed is constant 10 km per hour.
3. The police car can travel 168 km in three hours because it is travelling at a constant speed of 56 km per hour.
56 km x 3 hours = 168 km
4. It will take 9 hours to cover a distance of 450 km at a speed of 50 km per hour. This is calculated by dividing the distance by the speed: 450 km divided by 50 km per hour equals 9 hours.
5. It will take 5 hours for a man to run 75 kilometers at a speed of 15 km per hour. This is calculated by dividing the distance by the speed: 75 km divided by 15 km per hour equals 5 hours.