Asubway goes 5 km from the sports complex to downtown in 30 minutes. what is the average speed of the subway? a. 2.5 km/h b. 6 km/h c. 10 km/h d. 150 km/h

C. 10 km/h

Explanation:

IN order to calculate the average speed of a train that goes 5 km from the sports complex to downtown you just need to use the formula for speed:

Now you have to remember that you have time in minutes, and that in your options you have hours, so you need to convert minutes to hours:

Now that you have the time in hours you just insert the values into the first formula:

Your answer is 10 kilometers per hour.

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