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montrealgurl

  • 3 years ago

Luke trades working at the barn for riding the horses. This week he rode for 3.5 hours, which is 4.5 less than twice the number of hours he worked. How many hours did he work this week? Let h = the number of hours he worked. A. 4.5 - 2(3.5) = h; h = 2.5 B. 2(3.5) - 4.5 = h; h = 2.5 C. 3.5 = 4.5 - 2h; h = 0.5 D. 2(3.5) - 4.5 = h; h = 2.5

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  1. montrealgurl
    • 3 years ago
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    @Opcode

  2. jim_thompson5910
    • 3 years ago
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    This week he rode for 3.5 hours, which is 4.5 less than twice the number of hours he worked translates to 3.5 = 4.5 - 2*(number of hours worked) so what is your equation?

  3. montrealgurl
    • 3 years ago
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    is it A?

  4. jim_thompson5910
    • 3 years ago
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    no that's incorrect

  5. jim_thompson5910
    • 3 years ago
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    replace "number of hours worked" with "h"

  6. jim_thompson5910
    • 3 years ago
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    you can do this because you made h = number of hours worked

  7. montrealgurl
    • 3 years ago
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    sorry I meant B. I didn't mean to say A.

  8. jim_thompson5910
    • 3 years ago
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    btw, choices B and D are identical is this a typo?

  9. montrealgurl
    • 3 years ago
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  10. jim_thompson5910
    • 3 years ago
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    ok i see where the real answer is now

  11. jim_thompson5910
    • 3 years ago
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    it should be 3.5 = 2*(number of hours worked) - 4.5

  12. montrealgurl
    • 3 years ago
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    C!

  13. jim_thompson5910
    • 3 years ago
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    correct

  14. montrealgurl
    • 3 years ago
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    Dang. i was going to say that instead of B. i got all the letters confused. Thanks for explaining!

  15. jim_thompson5910
    • 3 years ago
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    yw

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