Question

If a car traveled 8 miles for 15 minutes, 3 miles for 11 minutes, and 2 miles for 4 minutes, what its average speed?

Answer 1

The average speed of the car is calculated as 0.43miles/min.

HOW TO CALCULATE AVERAGE SPEED:

• The average speed of the car can be calculated by dividing the distance covered by the time taken. That is;

• Average speed (miles/mins) = distance covered (miles) ÷ time (mins)

• However, the total distance covered is summed as follows:

• 8 miles + 3 miles + 2 miles = 13 miles

• The total time taken is calculated as follows:

• 15 mins + 11 mins + 4 mins = 30 mins

• Average speed = 13 ÷ 30

• Average speed = 0.43miles/min.

• Therefore, the average speed of the car is calculated as 0.43miles/min.

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