The equation y = one fifth x describes a linear relationship between y (the number of calls) and x (the number of minutes).
As x increases, y also increases. In this situation, it means that as the salesperson spends more time making calls (represented by an increase in x), they are able to make more calls (represented by an increase in y).
The equation yequalsone fifth
x describes the number of calls y a salesperson makes in x minutes. How does y change as x changes? Describe what the change means in this situation.
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