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OpenStudy (anonymous):
soybean meal is 16% protein; cornmeal is 8% protein. How many pounds of each should be mixed together in order to get 320 pind mixture that is 11% protein? how many pounds of cornmeal? how many pounds of soybean meal?
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OpenStudy (anonymous):
tough
OpenStudy (anonymous):
i know. :(
OpenStudy (amistre64):
s + c = 320 ; s = 320-c s(.16) + c(.08) = 320(.11) (320-c)(.16) + c(.08) = 320(.11)
OpenStudy (amistre64):
51.2 -.16c +.08c = 35.2 -35.2 = c(.16 -.08) ----------------------------- 16 = c(.08) 16/.08 = c 1600/8 = c = 200
OpenStudy (amistre64):
200 cornmeal 120 soybean ------------ 320 total
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OpenStudy (anonymous):
AHHHH i see. Thank you!
OpenStudy (amistre64):
yep :)
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