anonymous
  • anonymous
need help solving this equation step by step soybean meal is 18% protein, cornmeal is 9% protein how many lbs of each should be mixed together to get 360lb mixture that is 15%
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
"soybean meal is 18% protein" does that mean soybean meal contains 18% protein?
anonymous
  • anonymous
yes
anonymous
  • anonymous
Okay

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More answers

anonymous
  • anonymous
Lets assume that we mixed x lbs of soybean and y lbs of cornmean
anonymous
  • anonymous
So x + y = 360 lbs
anonymous
  • anonymous
This is your first equation
anonymous
  • anonymous
18/100(x)+9/100(y)=15/100
anonymous
  • anonymous
18x+9y=15
anonymous
  • anonymous
This is your second equation
anonymous
  • anonymous
my mathlab says the second equation is 0.09x+0.18y=54
anonymous
  • anonymous
this is where i started getting confused cant figure out where they got 54
anonymous
  • anonymous
Excellent
anonymous
  • anonymous
Matlab is right
anonymous
  • anonymous
I missed something
anonymous
  • anonymous
how did they get 54
anonymous
  • anonymous
You see on the right hand side, I did it wrong
anonymous
  • anonymous
18/100(x)+9/100(y)=(15/100)x(360)
anonymous
  • anonymous
yeah thats y i asked about mathlab
anonymous
  • anonymous
18/100(x)+9/100(y)=(15/100)x(360) =>0.18(x)+0.09(y)=54
anonymous
  • anonymous
Got it?
anonymous
  • anonymous
360(.15)=54
anonymous
  • anonymous
Yes
anonymous
  • anonymous
why any doubt?
anonymous
  • anonymous
wasnt sure mathlab gives answer not explanation gets confusing to me im really really bad at math
anonymous
  • anonymous
If you don't mind, is this problem for your kids
anonymous
  • anonymous
I mean is this from their assignment
anonymous
  • anonymous
no its for me, i go to strayer
anonymous
  • anonymous
Thats very good.
anonymous
  • anonymous
Any more problems at this time, which I can assist you with?
anonymous
  • anonymous
yes complete the ordered triple 8x-y+z=32 3x+2y-3z=36 x-3y+2z=-14

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