SOLUTION: a salesperson earns $350 per week plus 10% of her weekly sales. find the sales necessary for the salesperson to earn at least $800 in one week.

Question 157559: a salesperson earns $350 per week plus 10% of her weekly sales. find the sales necessary for the salesperson to earn at least $800 in one week.
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
a salesperson earns $350 per week plus 10% of her weekly sales. find the sales necessary for the salesperson to earn at least $800 in one week.
.
Let w = weekly sales
800=350 + .10w
450= .10x
$4500 = x (sales required to earn $800)
.
But, they want him to earn "at least" that amount so it should be:
x >= $4500
That is, he should have sales of greater than or equal to $500
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