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#