Problema Solution

During the first three months of the year, a car salesman has grossed total monthly sales of $125,000, $95,000 and $112,000. If he wants to increase his average monthly sales to $120,000 by the end of the first four months of the year, what do his sales need to be in the fourth and final month?

Answer provided by our tutors

Let 'x' represent the sale for the fourth and final month.

The average monthly sales for the 4 months needs to be $120,000 or this means:

(125000 + 95000 + 112000 + x)/4 = 120000

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click here to see the solution for the forth month s sales x

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x = $148,000

The sales for the forth and final month needs to be $148,000.