A department store buys 300 shirts at a cost of 2,400 and sells them at a selling price of 10$ each. Find the percent markup

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?

Kai walked one and two-thirds of a mile on saturday and four and one-sixth of a mile on sunday. how many miles did kai walk?

What is 10+10+20 about the origin the square root of a triangle.