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Luis_Rivera

  • 2 years ago

pn

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  1. wio
    • 2 years ago
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    \[ 0.8a+0.9b=0.825(a+b) \\ \]With the second constraint being that a/b are natural numbers.

  2. wio
    • 2 years ago
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    So set \(a=12\) (a nice number because of its factors) and solve for \(b\) then reduce the ratio.

  3. Luis_Rivera
    • 2 years ago
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    only final anwer countz

  4. .Sam.
    • 2 years ago
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    (E) 3 : 1

  5. Luis_Rivera
    • 2 years ago
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    no

  6. geerky42
    • 2 years ago
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    (A) 1 : 3

  7. Luis_Rivera
    • 2 years ago
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    to be fair, only say if right or wrong with included reasoning. wio was on the right track

  8. geerky42
    • 2 years ago
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    @.Sam. answered correctly, I believe. And you said "only final anwer countz."

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