SOLUTION: a car travels 100 km. The highest speed of the car is 90 km/h, and the lowest speeds is 30 km/h. The journey takes two hours. What is the average speed for the journey?
a. 30 km/h
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-> SOLUTION: a car travels 100 km. The highest speed of the car is 90 km/h, and the lowest speeds is 30 km/h. The journey takes two hours. What is the average speed for the journey?
a. 30 km/h
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Question 1124763: a car travels 100 km. The highest speed of the car is 90 km/h, and the lowest speeds is 30 km/h. The journey takes two hours. What is the average speed for the journey?
a. 30 km/h
b. 50 km/h
c. 60 km/h
d. 90 km/h Found 2 solutions by ikleyn, MathTherapy:Answer by ikleyn(52754) (Show Source):
The average speed of the journey is kilometers per hour.
The rest of the data is IRRELEVANT and is placed in the condition with the only goal to confuse you and to check
if you know the subject firmly enough.
You can put this solution on YOUR website!
a car travels 100 km. The highest speed of the car is 90 km/h, and the lowest speeds is 30 km/h. The journey takes two hours. What is the average speed for the journey?
a. 30 km/h
b. 50 km/h
c. 60 km/h
d. 90 km/h
Usually, most students calculate AVERAGE SPEED as the average of the 2 speeds, or <====== THIS IS WRONG.
The CORRECT calculation is:
Many people make this mistake when calculating AVERAGE SPEED!
I implore you, DON'T DO IT!!
