SOLUTION: Carlos can be paid in one of two ways. Plan A is a salary of $500 per month, plus a commission of 8% of sales. Plan B is a salary of $653 per month, plus a commission of 5% of sal

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Question 349192: Carlos can be paid in one of two ways. Plan A is a salary of $500 per month, plus a commission of 8% of sales. Plan B is a salary of $653 per month, plus a commission of 5% of sales. For what amount of sales is Carlos better off selecting Plan A?
Answer by nerdybill(6957) About Me  (Show Source):
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Carlos can be paid in one of two ways. Plan A is a salary of $500 per month, plus a commission of 8% of sales. Plan B is a salary of $653 per month, plus a commission of 5% of sales. For what amount of sales is Carlos better off selecting Plan A?
.
Let x = amount in sales
.
Plan A:
salary = 500 + .08x
.
Plan B:
salary = 653 + .05x
.
Equation:
500 + .08x > 653 + .05x
500 + .03x > 653
.03x > 153
x > $5100
Sales must be greater than $5100