Question

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%

Answer 1

"soybean meal is 18% protein" does that mean soybean meal contains 18% protein?

Answer 2

yes

Answer 3

Okay

Answer 4

Lets assume that we mixed x lbs of soybean and y lbs of cornmean

Answer 5

So x + y = 360 lbs

Answer 6

This is your first equation

Answer 7

18/100(x)+9/100(y)=15/100

Answer 8

18x+9y=15

Answer 9

This is your second equation

Answer 10

my mathlab says the second equation is 0.09x+0.18y=54

Answer 11

this is where i started getting confused cant figure out where they got 54

Answer 12

Excellent

Answer 13

Matlab is right

Answer 14

I missed something

Answer 15

how did they get 54

Answer 16

You see on the right hand side, I did it wrong

Answer 17

18/100(x)+9/100(y)=(15/100)x(360)

Answer 18

yeah thats y i asked about mathlab

Answer 19

18/100(x)+9/100(y)=(15/100)x(360)
=>0.18(x)+0.09(y)=54

Answer 20

Got it?

Answer 21

360(.15)=54

Answer 22

Yes

Answer 23

why any doubt?

Answer 24

wasnt sure mathlab gives answer not explanation gets confusing to me im really really bad at math

Answer 25

If you don't mind, is this problem for your kids

Answer 26

I mean is this from their assignment

Answer 27

no its for me, i go to strayer

Answer 28

Thats very good.

Answer 29

Any more problems at this time, which I can assist you with?

Answer 30

yes
complete the ordered triple
8x-y+z=32
3x+2y-3z=36
x-3y+2z=-14