SOLUTION: The nut house sells walnuts for $4 a pound and cashew for $7 a pound. how many pounds of cashews shound be mixed with 10 pounds of walnuts to obtain a mixture htat sells for $5.5
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Question 19205: The nut house sells walnuts for $4 a pound and cashew for $7 a pound. how many pounds of cashews shound be mixed with 10 pounds of walnuts to obtain a mixture htat sells for $5.5 a pound? Answer by Paul(988) (Show Source):
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4x+7(10-x)=5.5(10)
4x+70-7x=55
-3x+70=55
-3x+70-70=55-70
-3x=-15x(divide each side by -3)
x=5
Therefore each of these materials should be 5 pounds.
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