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?

1 Answer
Jul 2, 2017

$1100

Explanation:

Cost and profit (Ms. A) :
$10000×(100%+10%)=$10000×110%
=$10000×1.1
=$11000

Cost and loss (Mr. B) :
$11000×(100%-10%)=$11000×90%
=$11000×0.9
=$9900

Money Ms. A make :
$11000-$9900=$1100