Answer:
Ethan rollerbladed each day
kilometers.
Step-by-step explanation:
Given:
Ethan rollerbladed a total of 623 km over d days.
Now, to find the kilometers Ethan rollerblade each day.
Total number of distance rollerbladed = 623 km.
Total number of days = ![d.](https://tex.z-dn.net/?f=d.)
<u><em>As, Ethan rollerbladed each day the same distance.</em></u>
Now, to get the distance Ethan rollerbladed in each day we divide total number of distance rollerbladed by total number of days:
![Ethan\ rollerbladed\ each\ day\ =\ \frac{Total\ number\ of\ distance\ rollerbladed}{Total\ number\ of\ days}](https://tex.z-dn.net/?f=Ethan%5C%20rollerbladed%5C%20each%5C%20day%5C%20%3D%5C%20%5Cfrac%7BTotal%5C%20number%5C%20of%5C%20distance%5C%20rollerbladed%7D%7BTotal%5C%20number%5C%20of%5C%20days%7D)
![Ethan\ rollerbladed\ each\ day\ =\ \frac{623}{d}](https://tex.z-dn.net/?f=Ethan%5C%20rollerbladed%5C%20each%5C%20day%5C%20%3D%5C%20%5Cfrac%7B623%7D%7Bd%7D)
Therefore, Ethan rollerbladed each day
kilometers.