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.

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?$What was the starting amount of money in the account?$

Ivan is putting money into a savings account. He starts with $350 in the savings account, and each week he adds $60.Let S represent the total amount of money in the savings account (in dollars), and let W represent the number of weeks Ivan has been adding money. Write an equation relating S to W. Then use this equation to find the total amount of money in the savings account after 13 weeks.

Maria is saving money to buy a bike. She has $60 and is going to save an additional $5 each week. The bike costs $125. In how many weeks will she have enough money to buy the bike?(a) Write an equation that could be used to answer the question above. First, choose the appropriate form. Then, fill in the blanks with the numbers 60, 5, and 125. Let w represent the number of weeks.=+w=−w(b) Solve the equation in part (a) to find the number of weeks.=w

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?$What is the cost to get started (before any books are printed)?$

Nina has some money saved for a vacation she has planned.  The vacation will cost a total of $1600.She will put $150 every week into her account to help pay for the vacation. She will have enough money for the vacation in 8 weeks.  If Nina was able to save $200 a week instead of $150 a week, how many fewer weeks would it take her to save enough money for the vacation? Enter the result in the response box.