Question

A local bookstore has 30 copies of a bestseller when it opens on Monday morning. On Monday, it sells 6 copies of the book. On Tuesday, it sells 3 copies. On Wednesday, it receives a shipment containing 24 copies of the books and also sells 8 copies. How many books does the store have at the end of Wednesday?

Answer 1

so it starts with 30

monday: 30-6 24 copies left

tuesday: 24-3 21 copies left

wenesday: 21+ 24 45-8 37 copies

its has 37 copies left