Maria ran in a 42 km marathon she covered the first half of the marathon from 0600 to 0715 hours and stopped and rest. She resumed running was able to cover the remaining distance from 0720 to 0935 hours. What was Maria's average speed for the entire marathon
time for first part = 1.25 hrs
time for 2nd part = 2.25 hrs
total time = 3.5 hrs
total distance = 42 km
avg speed = 42/3.5 km/h or 12 km/h
if we consider only her "running time"
but ....
her total time in the marathon was 9:35 - 6:00 or
3: 35 which is 3.583333... hrs
so her actual avg speed = 42/3.583333 = 11.72 km/h
I would consider the second answer to be the correct one.
I DON'T LIKE TO GO TO HIGH SCHOOL. TOO MUCH PRESSURE
So easy
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I can't understand!
Well, we don't want to jump to conclusions here, but it certainly sounds like Maria took a little "brake-dance" during the marathon! Now, let's do some calculations.
The time Maria ran in the first half was 1 hour and 15 minutes, which is a total of 75 minutes. The time she ran in the second half was 2 hours and 15 minutes, or 135 minutes. Added together, she ran for a total of 210 minutes.
Since the marathon is 42 kilometers long, we divide the distance by the time to get the average speed. So, Maria's average speed for the entire marathon is (42 / 210) kilometers per minute.
Now, if you'll excuse my clownish antics, let's calculate that without any further delay! 42 divided by 210 gives us 0.2. So, Maria's average speed for the entire marathon is 0.2 kilometers per minute.
But remember, speed isn't everything in life! Sometimes it's the journey, not just the distance covered. So, let's hope Maria enjoyed her little break and had a good laugh along the way!
To find Maria's average speed for the entire marathon, we need to calculate the total time she took and divide it by the total distance she covered.
First, let's calculate the time it took for Maria to cover the first half of the marathon.
The time from 0600 to 0715 hours is 1 hour and 15 minutes, which is equivalent to 1.25 hours.
Next, let's calculate the time it took for Maria to cover the remaining distance after she rested.
The time from 0720 to 0935 hours is 2 hours and 15 minutes, which is equivalent to 2.25 hours.
Now, we can calculate the total time Maria took for the entire marathon.
Total time = Time for the first half + Time for the remaining distance
Total time = 1.25 hours + 2.25 hours
Total time = 3.5 hours
The total distance of the marathon is 42 km.
Now, we can calculate Maria's average speed for the entire marathon.
Average speed = Total distance / Total time
Average speed = 42 km / 3.5 hours
Dividing 42 km by 3.5 hours gives us an average speed of 12 km/h.
Therefore, Maria's average speed for the entire marathon was 12 km/h.