anonymous
  • anonymous
can anyone help me set up the equation of: Cashews are priced at $5.75 per pound. Peanuts are priced at $3.25 per pound. Mixed together to total 80 pounds for $4.00 per pound. How many pounds of each do I need?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
x+y=80 3.25x+5.75y=4.00 Pretty sure that is right just use the elimination or substitution methode to figure it out
anonymous
  • anonymous
Let me know if it works out for you i am wondering myself now
anonymous
  • anonymous
my class is not to substitution or elimination. i was thinking: 3.25x+5.75(x-80)=320?

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anonymous
  • anonymous
i don't know how you would solve that if you are not using one of those methodes. to me it looks like it should be a set of equations in multi varible form. let me think of this for a sec.
anonymous
  • anonymous
I have tutoring before class tomorrow, I was just trying to figure it out before then. No worries. thank you.
amistre64
  • amistre64
its helpful to use variables that represent the actual stuff :) c for Cashew and p for peanuts helps you to keep track of them better ;) other than that you did a great job with it
amistre64
  • amistre64
c+p=80 p(3.25)+c(5.75)=(80)4.00
amistre64
  • amistre64
solve for one variable in the first equation: c = 80-p and substitute it into the second.... p(3.25)+(80-p)(5.75)=(80)4.00 do the math, and solve for p..
amistre64
  • amistre64
once you know a solid value for "p" use it in the c = 80-p to find c.

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