Question:
Heather participating in a 5-day cross country biking
Last updated: 7/14/2022
![Heather participating in a 5-day cross country biking](https://media.kunduz.com/media/sug-question/raw/59051434-1657827619.5312822.jpeg?h=512)
Heather participating in a 5-day cross country biking challenge.she biked for 53,68,64, and 65 miles on the four days. How many miles does she need to bike on the last day so that her average (mean) is 59