Question 1205622
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Her commission rate is $2100/$30000 = 0.07.  Her commission on a $50,000 house would be .07($50000) = $3500.<br>
OR...<br>
The ratio of the prices of the two houses is $50000/$30000 = 5/3, so her commission would be $2100*(5/3) = $3500.<br>
ANSWER: d) $3500<br>