05/19/20 Linear Equations - Better Buy

A gym membership has a $50 sign up fee plus an additional $30 per month charge. Which function represents the cost of the gym membership (y) for any amount of months (x)? y= 50x + 30 y = 30x + 50 y = 60x Not enough information Based on the question above, what does the x represent? total cost of the gym membership the amount of weeks the amount of months sign up fee Based on the question above, what does the y represent? total cost of the gym membership the amount of weeks the amount of months sign up fee A brand new Toyota Camry costs about $25,000. Every year that the car is owned the value of the car decreases by $3000. Which function represents the value of the car (y) over any amount of years (x)? y = 25000x + 3000 y = 28000x y = 3000x + 25000 y = -3000x + 25000 Based on the question above, what does the x represent? number of years you own the car the amount the car decreases by every year total cost of the car total value of the car Based on the question above, what does the y represent? number of years you own the car the amount the car decreases by every year total cost of the car total value of the car Mr . Merc and Mr. Roche are buying basketball jerseys for the basketball team. They are considering two different apparel companies to buy the jerseys from. Write an equation for each company to represent the cost (y) per number of jerseys (x). If Mr. Roche wants to take 20 kids on the basketball team which company should he use? Why? Substitute into each equation and show your work below. Two of your friends Josie and Salvador both work as restaurants as servers. Both mention to you that there are currently job openings at their restaurants. They both send you their hourly payment plans. Which friend should you work with and why?