Mary and Carl drove to the store to shop Their trip to the store time at the store and trip home is graphed here. What was their Average speed for the entire trip

A) 15 km/h

B)30 km/h

C) 60 km/h

D) cannot tell from this data

Option B. 30 Km/h

Explanation:

To solve this question, we must know the meaning of average speed.

Average speed is simply defined as the total distance travelled divided by the total time taken to cover the distance. Mathematically, it is expressed as:

Average speed = Tota distance /Total time

Thus, with the above formula, we can obtain the average speed of the entire trip as shown below:

Total distance = 60 Km

Total time = 2 h

Average speed = Total distance /Total time

Average speed = 60 /2

Average speed = 30 Km/h

Thus, the average speed of the entire trip is 30 Km/h

are you like autistic or something?

xd