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Neselleept
- Newbie | Next Rank: 10 Posts
- Posts: 2
- Joined: Wed May 28, 2025 10:56 pm
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Hi everyone,
I’ve been practicing rate/time/distance problems and came across a question that really confused me. Here's the problem:
A car travels from Town A to Town B at 60 mph and returns at 40 mph. What is the car's average speed for the entire trip?
I initially thought the average speed should just be the average of 60 and 40, so 50 mph. But the solution says the correct answer is 48 mph and uses a formula I’m not fully clear on.
Can someone please explain:
Why 50 mph is not correct?
How to approach these types of average speed problems in general?
Thanks in advance!
I’ve been practicing rate/time/distance problems and came across a question that really confused me. Here's the problem:
A car travels from Town A to Town B at 60 mph and returns at 40 mph. What is the car's average speed for the entire trip?
I initially thought the average speed should just be the average of 60 and 40, so 50 mph. But the solution says the correct answer is 48 mph and uses a formula I’m not fully clear on.
Can someone please explain:
Why 50 mph is not correct?
How to approach these types of average speed problems in general?
Thanks in advance!
