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ramirokool

John wants to rent movies over his school vacation. The cost for the movie rental is $4.50 per movie. John starts out with $20. Write an equation for the amount of money, y, John will have after x amount of movie rentals. Answer y = 20 - 4.50x y = 4.50x - 20 y = 20 + 4.50x y = 4.50x

  • one year ago
  • one year ago

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  1. ramirokool
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    @MiaKitty @UnkleRhaukus Help

    • one year ago
  2. MiaKitty
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    This is just like the question I helped you with earlier, but you have to combine them together, what do you think?

    • one year ago
  3. ramirokool
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    Either B or C

    • one year ago
  4. UnkleRhaukus
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    \[y=mx+b\] where \(m\) is the rate of change and \(b\) is the initial value

    • one year ago
  5. MiaKitty
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    Well, it isn't B, because you don't subtract values in this equation, so?

    • one year ago
  6. uber1337h4xx0r
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    I have a question for you, ramiro: Let's say you buy two movies. How much money will you be left with?

    • one year ago
  7. ramirokool
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    Ummm probably 0

    • one year ago
  8. ramirokool
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    or at least 3 bucks or something

    • one year ago
  9. uber1337h4xx0r
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    Hmm... tell me this: how much would two movies cost?

    • one year ago
  10. MiaKitty
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    I have to go now! Anyone who can help Ramirocool can. :)

    • one year ago
  11. ramirokool
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    @UnkleRhaukus I got A

    • one year ago
  12. UnkleRhaukus
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    note \(mx+b=b+mx\)

    • one year ago
  13. ramirokool
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    @UnkleRhaukus D.

    • one year ago
  14. uber1337h4xx0r
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    @UnkleRhaukus : I think at Ramiro's age, formulas like that are more confusing that actually using real life examples. Granted, I'm under the impression that Ramiro doesn't care either way, so it probably doesn't matter.

    • one year ago
  15. UnkleRhaukus
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    if one movie costs $4.50 two movies costs 2×$4.50=

    • one year ago
  16. ramirokool
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    8.50

    • one year ago
  17. ramirokool
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    @UnkleRhaukus

    • one year ago
  18. uber1337h4xx0r
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    Close. But do it on paper to be safe.

    • one year ago
  19. ramirokool
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    @uber1337h4xx0r /yup B

    • one year ago
  20. UnkleRhaukus
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    \[2\times4.50=2\times4+2\times0.50=8+1=\]

    • one year ago
  21. ramirokool
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    @UnkleRhaukus Sorry for the long wait C.

    • one year ago
  22. ramirokool
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    Right?

    • one year ago
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