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anonymous

  • 5 years ago

a merchant wants to stock the shelves with 100 Ibs. of mixed nuts that cost $8.00 a Ibs. the merchant has cashews and peanuts. peanuts cost $6.00 a Ibs. and cashews that cost $12.00 a Ibs. how many Ibs. of each should the merchant use in the mixture?

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  1. anonymous
    • 5 years ago
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    x+y=100 lbs x =100-y X for cashews y for peanuts ($12*X)+($6*y)=(100*80) Subtitution X =100-Y ($12*(100-y))+($6*y)=$800 1200-12y +6y =800 -6y =800-1200 y =-400/-6 y = 66.7 X+Y=100bls x+ 66.7 =100 X=100-66.7 X=33.3 you may round : 33.3= 33 , 66.7 =67 33 bls cashew 67 bls peanut

  2. anonymous
    • 5 years ago
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    thank you soooo much

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