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ebydaqueen17 Group Title

Pola wants 3 oz of a 20% solution. she has only 5% and 30% available. how many oz of each should she mix to get what she wants?

  • 2 years ago
  • 2 years ago

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  1. Algebraic! Group Title
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    x+y =3 oz .05*x + .3*y = .2*3

    • 2 years ago
  2. ebydaqueen17 Group Title
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    could you please solve the equations..i dont know how to....

    • 2 years ago
  3. ebydaqueen17 Group Title
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    and why did u multiply .2 by 3

    • 2 years ago
  4. Algebraic! Group Title
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    what class are you taking?

    • 2 years ago
  5. cwrw238 Group Title
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    Algebraic multiplied 0.2 by 3 because thats the amount of substance in 3 oz of solution (0.2 = 20%)

    • 2 years ago
  6. ebydaqueen17 Group Title
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    math 130- intermediate algebra

    • 2 years ago
  7. Algebraic! Group Title
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    should be no problem for you to solve. very simple substitution.

    • 2 years ago
  8. ebydaqueen17 Group Title
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    ok. thnks

    • 2 years ago
  9. ebydaqueen17 Group Title
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    when pppl give yu best responses yur smart score goes up huh?

    • 2 years ago
  10. Algebraic! Group Title
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    yes.

    • 2 years ago
  11. ebydaqueen17 Group Title
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    i multiplied the top equation by -.3 so that i could cancel out the y value and after i solved i got x= -.21

    • 2 years ago
  12. Algebraic! Group Title
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    solve for either x or y, your choice: x+y =3 sub.s into: .05*x + .3*y = .2*3

    • 2 years ago
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