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Sirlw

  • 4 years ago

There are 2 liquids, one 10%, one 20%. How much of each mixture would you mix to get 800mL of a 15% liquid?

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  1. Mertsj
    • 4 years ago
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    x= amount of 10% 800-x= amount of 20% .10x+.20(800-x)=.15(800)

  2. Sirlw
    • 4 years ago
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    so x=-11840

  3. Mertsj
    • 4 years ago
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    That cannot be.

  4. Mertsj
    • 4 years ago
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    \[.10x+160-.20x=120\]

  5. Mertsj
    • 4 years ago
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    \[-.10x=-40\]

  6. Mertsj
    • 4 years ago
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    \[x=400\]

  7. Sirlw
    • 4 years ago
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    i got 400 mL of 10% and 400 mL of 20%

  8. Mertsj
    • 4 years ago
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    Yep

  9. Sirlw
    • 4 years ago
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    ok

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