Question 1180584


 6.4 miles over three consecutive days.

 on the first day she ran 6.6 miles, 
and on the second day, she ran 6.5 miles.
third day x miles

{{{ (6.6+6.5+x)/3 =6.4}}}

13.1 +x = 19.2

x= 6.1  maximum number of miles Rachel can run on the third day