SOLUTION: Ms. A owns a house worth $10000. She sells it to Mr. B at 10% profit. Mr. B sells the house back to Ms. A at a 10% loss. How much money does Ms. A make?

Question 614871: Ms. A owns a house worth $10000. She sells it to Mr. B at 10% profit. Mr. B sells the house back to Ms. A at a 10% loss. How much money does Ms. A make?
Answer by Theo(13342) (Show Source): You can put this solution on YOUR website!
The house is worth $10,000.
Presumably this is what the house cost her.
She sells it for $11,000.
She buys it back for $9,900.
Her net profit after both transactions is equal to $11,000 - $9,900 = $1,100.
She started with a house.
She finished with a house.
She has an additional $1,100 on top of that.
$11,000 - $10,000 = $1,000 / $10,000 = her 10% profit.
$11,000 - $9,900 = $1,100 / $11,000 = his 10% loss.

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