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2016740e

  • 3 years ago

the three math idols judges have been eliminating contestants all day! The number of one-step equations and two-step equations who have been eliminated today is equal to 610! If four times the number of one-step equations minus twice the number of two-step equations is equal to 350, how many one-step equations auditioned today? A-260 B-350 C-340 D-670

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  1. timo86m
    • 3 years ago
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    one+two=610 4*one-2*two=350

  2. timo86m
    • 3 years ago
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    one=610-two sfone plug it into 2nd eq 4*(610-two)-2*two=350 solve for two

  3. anonymous
    • 3 years ago
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    please please tell me where this problem comes from. no one will say, but i see it more than once a week.

  4. timo86m
    • 3 years ago
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    two is 1045/3

  5. timo86m
    • 3 years ago
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    plug it back into first equation 1045/3+one=610 solve for one

  6. 2016740e
    • 3 years ago
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    why you want to know though?

  7. timo86m
    • 3 years ago
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    A

  8. timo86m
    • 3 years ago
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    i get 261.67 but round down to 260

  9. timo86m
    • 3 years ago
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    I think he is just curious

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