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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?

Rachel Is Planning To Run An Average Of 64 Miles Over Three Consecutive Days On The First Day She Ran 66 Miles And On The Second Day She Ran 65 Miles What Is Th class=

Answer :

6.6+6.4= 13.1

6.4 x 3 = 19.2

19.2- 13.1 = 6.1 miles
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The maximum  number of miles Rachel can run on the third day without going over the planned average of  6.4 miles per day is 6.1 miles.

Maximum  number of miles:

Let x represent the maximum  number of miles

Formulate

6.6+6.5+x÷3=6.4

Hence:

6.6+6.5=6.4×3

13.1+x=19.2

x=19.2-13.1

x=6.1 miles

Inconclusion the maximum  number of miles Rachel can run on the third day without going over the planned average of  6.4 miles per day is 6.1 miles.

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