SOLUTION: Rachel is planning to run an average of 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. what is the maximum num

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Rachel is planning to run an average of 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. what is the maximum num      Log On


   

Question 1180584: Rachel is planning to run an average of 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. what is the maximum number of miles Rachel can run on the third day without going over the planned average of 6.4 miles per day
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!

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
+%286.6%2B6.5%2Bx%29%2F3+=6.4
13.1 +x = 19.2
x= 6.1 maximum number of miles Rachel can run on the third day