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A salesperson earns $300.50 per week plus 7% of her weekly sales. Which of the following describes the sales necessary for the salesperson to earn at least $900.85 in one week?

Ax is greater then or equal to 900.85
Bx is greater then or equal to 8576.43
Cx is greater then or equal to 600.35
Dx is greater then or equal to 17162.14

Verified Answer :

texaschic101

300.50 + 0.07(8576.43) > = 900.85
300.50 + 600.35 > = 900.85
900.85 > = 900.85 (correct)

so x is greater then or equal to 8576.43

salesperson earns $300.50 per week plus 7% of her weekly sales .To have the sales necessary for the salesperson to earn at least $900.85 in one week we can form an inequality equation. Let x denote his weekly sales.

300.50+7% x ≥ 900.85

Subtracting 300.50 both sides:

7%x≥ 600.35

0.07x ≥ 600.35

Dividing both sides by 0.07

x≥8576.428

Option B . x is greater then or equal to 8576.43 is the right answer.


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