In the past month, heather rented 6 video games and 3 dvds. the rental price for each video game was $2.80 . the rental price for each dvd was $3.90 . what is the total amount that heather spent on video game and dvd rentals in the past month?

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a) y = -3x +2

b) y = 1/2x -6

these 2 can be combined into one equation.

-3x +2 = .5x -6

8 = 3.5x

x = 8 / 3.5 = 2.2857142857

y = -3 * (8 / 3.5) +2

y = (-24 / 3.5) + 2

y = -4.8571428571

step-by-step explanation: