Answer:

<h3>
A.The first equation in System 2 is the sum of the equations in System 1. The second equation in System 2 is the first equation in System 1.</h3>
Step-by-step explanation:

To get the answer to this question simply add he numerators but keep the denominator the same which will give you 2/6 then you simplify the answer by 2/2 to get the simplified answer 1/3
Complete Question:
Femi's last 5 bowling scores were 68, 75, 72, 90, and 80. What was Femi's mean score?
Answer:
Step-by-step explanation:
Given
Scores: 68, 75, 72, 90, and 80
Required
Determine the mean
The mean (M) of a data is calculated as thus:

Where
n = number of data.
In this case,
n = 5
and
= sum of data
So, the formula becomes



<em>Hence, the mean is 77</em>
5,6,7 is the answer to your question. Hope this helps!!
Answer:

Step-by-step explanation:

