If a store uses a selling price-based markup of 40% and an item costs the store $300, what selling price would the store set for the item?

In a school 2/3 of the students study a language of those who study a language 2/5 study french

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.