(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

A car travels up a hill at 31 km/h and then down a hill at 59 km/h.

Find the avg speed.

2. Relevant equations

3. The attempt at a solution

I tried adding the speeds and then dividing by 2 but I guess that's definitely not how to approach this problem.

How do I go about starting this problem?

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Average Speed question

**Physics Forums | Science Articles, Homework Help, Discussion**