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montrealgurl

  • one year 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
    • one year ago
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    @Opcode

  2. jim_thompson5910
    • one year 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
    • one year ago
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    is it A?

  4. jim_thompson5910
    • one year ago
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    no that's incorrect

  5. jim_thompson5910
    • one year ago
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    replace "number of hours worked" with "h"

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

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

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

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

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

  12. montrealgurl
    • one year ago
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    C!

  13. jim_thompson5910
    • one year ago
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    correct

  14. montrealgurl
    • one year 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
    • one year ago
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    yw

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