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ramirokool

  • 2 years ago

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

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  1. ramirokool
    • 2 years ago
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    @MiaKitty @UnkleRhaukus Help

  2. MiaKitty
    • 2 years ago
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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?

  3. ramirokool
    • 2 years ago
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    Either B or C

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

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

  6. uber1337h4xx0r
    • 2 years ago
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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?

  7. ramirokool
    • 2 years ago
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    Ummm probably 0

  8. ramirokool
    • 2 years ago
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    or at least 3 bucks or something

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

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

  11. ramirokool
    • 2 years ago
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    @UnkleRhaukus I got A

  12. UnkleRhaukus
    • 2 years ago
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    note \(mx+b=b+mx\)

  13. ramirokool
    • 2 years ago
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    @UnkleRhaukus D.

  14. uber1337h4xx0r
    • 2 years ago
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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.

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

  16. ramirokool
    • 2 years ago
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    8.50

  17. ramirokool
    • 2 years ago
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    @UnkleRhaukus

  18. uber1337h4xx0r
    • 2 years ago
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    Close. But do it on paper to be safe.

  19. ramirokool
    • 2 years ago
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    @uber1337h4xx0r /yup B

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

  21. ramirokool
    • 2 years ago
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    @UnkleRhaukus Sorry for the long wait C.

  22. ramirokool
    • 2 years ago
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    Right?

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