SOLUTION: Edna received a commission of $2100 for selling a $30,000 house. At that rate, what would be the commission for selling a $50,000 house? a)$2500 b)$2800 c)$3200 d)$3500 e)$4

Algebra ->  Customizable Word Problem Solvers  -> Finance -> SOLUTION: Edna received a commission of $2100 for selling a $30,000 house. At that rate, what would be the commission for selling a $50,000 house? a)$2500 b)$2800 c)$3200 d)$3500 e)$4      Log On

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Question 1205622: Edna received a commission of $2100 for selling a $30,000 house. At that rate, what would be the commission for selling a $50,000 house?
a)$2500
b)$2800
c)$3200
d)$3500
e)$4200

Answer by greenestamps(13215) About Me  (Show Source):
You can put this solution on YOUR website!


Her commission rate is $2100/$30000 = 0.07. Her commission on a $50,000 house would be .07($50000) = $3500.

OR...

The ratio of the prices of the two houses is $50000/$30000 = 5/3, so her commission would be $2100*(5/3) = $3500.

ANSWER: d) $3500