Emma's final grade in her math class is the average (mean) of her 5 chapter tests she took throughout the year. if she received a 92%, 85%, 78%, 97%, and 88% on the five tests, what is her final grade?

Step-by-step explanation:

The mean (or average) of a set of numbers can be found with the following formula:

For this problem, we have five numbers, so we add them together and divide by 5:

88%

Step-by-step explanation:

Emma took tests of her 5 chapters throughout the year.

She received  the score on the five tests

92%, 85%, 78%, 97% and 88%

We have to calculate the average (mean) of her final grade.

average =  

=  

=  

= 88%

Her final grade would be 88%.

x=6 and x=3

beep beep imma sheep