100 points/discussion

Lin is shopping for a couch with her dad and heard him ask the salesperson “how much is your commission? ” the salesperson says that her commission is 5 1/2% of the selling price. a.how much commission will the salesperson earn by selling a couch for $495? b.how much money will the store get from the sale of the couch?

2-digit numbers less than 91 which are 1 less than a multiple of 10

Math i have no idea how to do a and b