307,497 views
12 votes
12 votes
1. A train travels 72 km in 45 minutes. What is its average speed in kilometers per hour?

User Tony Joseph
by
3.0k points

1 Answer

16 votes
16 votes

we have the following:

v = d/t

replacing d = 72 t = 45 min * 1 hr / 60 min:

v = 72/(45/60)

v = 96

the average speed is 96 kilometers per hour

User Sam Gomari
by
2.8k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.