SOLUTION: Bob is offered a salary of $160 a week and 2% commission on total sales or a straight 11% on total sales. What do total sales need to be for the 11% to be a better offer?

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Question 408076: Bob is offered a salary of $160 a week and 2% commission on total sales or a straight 11% on total sales. What do total sales need to be for the 11% to be a better offer?
Answer by solver91311(24713) About Me  (Show Source):
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Let represent weekly sales. Then with the minimum salary his earnings are:



And his earnings on straight commission:



We want to know the value of such that:



Solve the inequality for

John

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