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Victoria Lopez works at a department store. She ispaid on commission. She receives 10% of her first$800 in sales and 20% of the balance of her sales.Last week she earned $1,150. What was the totalvalue of the furniture she sold?

Answer :

we have the following:

[tex]0.1\cdot800+0.2\cdot x=1150[/tex]

solving for x:

[tex]\begin{gathered} 80+0.2x=1150 \\ 0.2x=1150-80 \\ x=\frac{1070}{0.2} \\ x=5350 \end{gathered}[/tex]

therefore, the answer is the sales are $5350

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