Let y represent the total cost of publishing a book (in dollars). Let x represent the number of copies of the book printed. Suppose that x and y are related by the equation =y+125025x.Answer the questions below.Note that a change can be an increase or a decrease.For an increase, use a positive number. For a decrease, use a negative number.What is the change in the total cost for each book printed?$What is the cost to get started (before any books are printed)?$

Lamar is putting money into a checking account. Let y represent the total amount of money in the account (in dollars). Let x represent the number of weeks Lamar has been adding money. Suppose that x and y are related by the equation =+35020xy.Answer the questions below.Note that a change can be an increase or a decrease.For an increase, use a positive number. For a decrease, use a negative number.What is the change per week in the amount of money in the account?$What was the starting amount of money in the account?$

The cost price of a particular amount of articles is same as the number of articles.Selling price of the articles comes out to be 20.Over the whole transaction 25% is gained.What is X?15181620

A logging company fells a tree and sells it to a paper mill for $100. The paper mill processes the tree into paper and sells it to a book publisher for $300. The book publisher uses the paper to print a novel, which is then sold to a bookstore for $600. The bookstore sells the novel to a customer for $1200. What is the value added at each stage of production, and what is the total value added (which should equal GDP)?

A shopkeeper earns a profit of 15% after selling a book at 20% discount on the printed price. The ratio of the cost price and printed price of the book is?

Ann is putting money into a checking account. Let y represent the total amount of money in the account (in dollars). Let x represent the number of weeks Ann has been adding money. Suppose that x and y are related by the equation =+55020xy.Answer the questions below.Note that a change can be an increase or a decrease.For an increase, use a positive number. For a decrease, use a negative number.