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twilaswift

  • one year ago

Isadora bought 4 trees to plant in her backyard and spent no less than eighty-four dollars altogether. How many dollars could each tree have cost? Let t represent how many dollars each tree cost. t is greater than eighty t is greater than or equal to eighty t is greater than twenty-one t is greater than or equal to twenty-one

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  1. twilaswift
    • one year ago
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    4 divide 4 is 1

  2. twilaswift
    • one year ago
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    8 divided by 4?

  3. nincompoop
    • one year ago
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    \[4t \ge 84\]

  4. twilaswift
    • one year ago
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    t is greater than or equal to eighty

  5. nincompoop
    • one year ago
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    the question is: how much could EACH tree cost? meaning you will have to divide 4t by 4 and also 84 by 4 this gives you: \[\frac{ 4t }{ 4 } \ge \frac{ 84 }{ 4 }\]

  6. twilaswift
    • one year ago
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    84 divided by 4 = 21

  7. nincompoop
    • one year ago
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    how about 4t/4?

  8. twilaswift
    • one year ago
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    1

  9. nincompoop
    • one year ago
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    no...

  10. nincompoop
    • one year ago
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    4/4 is 1 but you have t

  11. twilaswift
    • one year ago
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    t = 21

  12. twilaswift
    • one year ago
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    t > 21

  13. nincompoop
    • one year ago
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    NOT EQUAL. we are using inequality greater than or equal to, because in the original problem it says: spent no less than 84 dollars...

  14. twilaswift
    • one year ago
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    \[t \ge 21\]

  15. nincompoop
    • one year ago
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    awesome

  16. Oriel
    • 4 months ago
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    [\[Tge21\]

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