A vending machine sells chips at $0.55 and candy at $0.75 last month, the vending machine yielded $189.00 with the sale of 280 items. Let x be the number of chips sold and y the number of candies. How many packages of chips were purchased last month?

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number t of tokens james has is a function of g, the number of games he plays. write the function’s formula? t=

Lines a and b are perpendicular. if the slope of line a is 3, what is the slope of line b?

1. 25pi ft^2 2. 5pi ft^2 3. 10pi ft^2 3. 20pi ft^2