Ms. Martin had $89 to
spend on children's
books for the library. If
books cost $9.50 each.
how many books could
she buy and still have $7
left over?

What is the smallest integer n such that n\sqrt{2} is greater than 20

Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.