A person walks at 4 km/h and runs at 10 km/h. If he walks for 30 minutes and the

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Question: A person walks at 4 km/h and runs at 10 km/h. If he walks for 30 minutes and then runs for 30 minutes, how far does he travel?

Options:

Correct Answer: 8 km

Solution:

Distance walked = 4 km/h * 0.5 h = 2 km. Distance run = 10 km/h * 0.5 h = 5 km. Total distance = 2 + 5 = 7 km.

A person walks at 4 km/h and runs at 10 km/h. If he walks for 30 minutes and then runs for 30 minutes, how far does he travel?

A person walks at 4 km/h and runs at 10 km/h. If he walks for 30 minutes and then runs for 30 minutes, how far does he travel?

Step 1: Understand the walking speed, which is 4 km/h.
Step 2: Understand the running speed, which is 10 km/h.
Step 3: Convert the walking time from minutes to hours. 30 minutes is 0.5 hours.
Step 4: Calculate the distance walked using the formula: Distance = Speed × Time. So, Distance walked = 4 km/h × 0.5 h = 2 km.
Step 5: Convert the running time from minutes to hours. 30 minutes is also 0.5 hours.
Step 6: Calculate the distance run using the same formula: Distance = Speed × Time. So, Distance run = 10 km/h × 0.5 h = 5 km.
Step 7: Add the distance walked and the distance run to find the total distance. Total distance = 2 km + 5 km = 7 km.

Distance, Speed, and Time – Understanding the relationship between distance, speed, and time, and how to calculate distance based on given speed and time.