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

C=weight of cashews in lbs
100C = weight of peanuts (lbs)
12C + 6(100C) = 100*8
6C = 800600
C=200/6=33.33lbs (approx.)
Peanuts = 10033.33=66.67 lbs (approx.)
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