Tamara earns her living as a salary plus commission employee. Her annual salary is 48 dollars comma 000 , and she earns 4 percent commission on all sales she makes. If Tamara wants to make a total of 6 dollars comma 000 this month, how much in sales does she need to have?

Tamara’s monthly salary is $48,000 ÷ 12 = $4,000. To earn $6,000 total this month, she needs $6,000 − $4,000 = $2,000 in commission. At 4%, that commission requires $2,000 ÷ 0.04 = $50,000 in sales, so the correct choice is $50,000.

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