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anonymous
 3 years ago
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?
anonymous
 3 years ago
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?

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anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0x+y =3 oz .05*x + .3*y = .2*3

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0could you please solve the equations..i dont know how to....

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0and why did u multiply .2 by 3

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0what class are you taking?

cwrw238
 3 years ago
Best ResponseYou've already chosen the best response.0Algebraic multiplied 0.2 by 3 because thats the amount of substance in 3 oz of solution (0.2 = 20%)

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0math 130 intermediate algebra

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0should be no problem for you to solve. very simple substitution.

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0when pppl give yu best responses yur smart score goes up huh?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0i multiplied the top equation by .3 so that i could cancel out the y value and after i solved i got x= .21

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0solve for either x or y, your choice: x+y =3 sub.s into: .05*x + .3*y = .2*3
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