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smartboy23

  • 3 years ago

Suppose you spent $74.95 for a shirt and a jacket. The shirt cost $20.25. Solve the equation 20.25+j=74.95 to find how much you spent on the jacket. You can work a simpler problem to estimate an answer. Use number sense to solve 20+j=75

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  1. geoffb
    • 3 years ago
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    They've given you the formula. You just need to solve for \(j\).

  2. smartboy23
    • 3 years ago
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    i'm really bad at math

  3. geoffb
    • 3 years ago
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    If I told you 4 plus a number equals 9, how would you figure out what "the number" is? Tell me your process.

  4. smartboy23
    • 3 years ago
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    9-4

  5. smartboy23
    • 3 years ago
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    ??

  6. geoffb
    • 3 years ago
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    Exactly! Good.

  7. g152xx
    • 3 years ago
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    5

  8. geoffb
    • 3 years ago
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    So now do the same thing for your question. It's the exact same thing.

  9. smartboy23
    • 3 years ago
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    so it would be 74.95-20.25?

  10. geoffb
    • 3 years ago
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    20.25 plus a number(\(j\)) equals 74.95.

  11. geoffb
    • 3 years ago
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    "so it would be 74.95-20.25?" Yes, it would. Good job. :)

  12. g152xx
    • 3 years ago
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    Yes.

  13. smartboy23
    • 3 years ago
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    going to be a fan of u

  14. smartboy23
    • 3 years ago
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    fan back

  15. g152xx
    • 3 years ago
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    54,7

  16. g152xx
    • 3 years ago
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    So what's the best reseponse so far?

  17. smartboy23
    • 3 years ago
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    i have another question

  18. smartboy23
    • 3 years ago
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    see if u can help

  19. g152xx
    • 3 years ago
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    shoot

  20. smartboy23
    • 3 years ago
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    wat?

  21. g152xx
    • 3 years ago
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    you said "i have another question" and I replied "shoot"

  22. smartboy23
    • 3 years ago
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    i give out really hard questions i dont get

  23. smartboy23
    • 3 years ago
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    exactly how old r u?

  24. g152xx
    • 3 years ago
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    24

  25. smartboy23
    • 3 years ago
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    20

  26. g152xx
    • 3 years ago
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    nice2meet you smartboy23

  27. smartboy23
    • 3 years ago
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    u too

  28. smartboy23
    • 3 years ago
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    i'm not actually smart

  29. smartboy23
    • 3 years ago
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    i didnt know what to use for a username

  30. g152xx
    • 3 years ago
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    you cant ask a question in another question. chooer.se the best response, close it, then ask another

  31. g152xx
    • 3 years ago
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    @

  32. smartboy23
    • 3 years ago
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    ok

  33. smartboy23
    • 3 years ago
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    when burned, 18 gallons of gasoline produce about 360 pounds of carbon dioxide. solve the equation 18n=360 to find how much carbon dioxide 1 gallon of gasoline produces.

  34. Spectrum
    • 3 years ago
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    you divide by 18 on both sides to get the answer

  35. smartboy23
    • 3 years ago
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    so wat is the answer?

  36. g152xx
    • 3 years ago
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    20 I think.

  37. smartboy23
    • 3 years ago
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    can u show me how?

  38. g152xx
    • 3 years ago
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    I can't now, i gotta leave. Sorry

  39. g152xx
    • 3 years ago
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    there are plenty of people around who can show you in minutes.

  40. Spectrum
    • 3 years ago
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    i got you

  41. Spectrum
    • 3 years ago
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    360 = 18x if you divide by 18 you would get 20 because if 10 x 18 = 180 then 20 x 18 would be double that and 180 x 2 = 360

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