SOLUTION: The nut house sells walnuts for $4 a pound and cashews for $7 a pound How many pounds of cashews should be mixed with 10 pounds of walnuts ro obtain a mixture that sells for $5.50

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Question 171931This question is from textbook Algebra 1
: The nut house sells walnuts for $4 a pound and cashews for $7 a pound How many pounds of cashews should be mixed with 10 pounds of walnuts ro obtain a mixture that sells for $5.50 a pound. I know the answer is 10 pounds, but I can't figure out the equation. This question is from textbook Algebra 1

Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
4(10)+7(c)=5.5(10+c) where c is the number of pounds of cashews
:
40+7c=55+5.5c
:
1.5c=15
:
highlight%28c=10%29pound of cashews