20. The middle school track team consists of 7th and 8th graders. There are 79 seventh graders
2 answers:
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<h2>Explanation:</h2>
Here we have the following expression:
So we can rewrite this as follows:
So this is an arithmetic series whose general form is given by:
Where:
So, for some n-values we have:
From this information, the diagram that best represents the given expression is shown below.
