# Chapter 1 - Chemistry: The Study of Change - Questions & Problems: 1.46

$177.75km/h$

#### Work Step by Step

$1mph=1.609km/h$ $286km=(\frac{286}{1.609})mph$ $\approx177.7501553760099441mph$ $=177.75km/h$

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.