Answer
In order to solve this problem, we first create a system of linear equations. We then solve the system of linear equations for the desired variable(s). Any values that are negative or zero are ignored, for these values do not make sense in this context.
Work Step by Step
In order to solve this problem, we first create a system of linear equations. We then solve the system of linear equations for the desired variable(s). Any values that are negative or zero are ignored, for these values do not make sense in this context.