SOLUTION: Marcus is inventing a new cookie recipe. He'd like the recipe to contain both walnuts and gourmet chocolate chip chunks. Walnuts sell for $2.40 per pound and gourmet chips sell for

Question 184883: Marcus is inventing a new cookie recipe. He'd like the recipe to contain both walnuts and gourmet chocolate chip chunks. Walnuts sell for $2.40 per pound and gourmet chips sell for $3.00 per pound. How many pounds of walnuts should be mixed with 3 pounds of gourmet chips to obtain a mixture selling for $2.58 per pound?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = pounds of walnuts needed
Let = pounds of the final mixture
In words:
(pounds of walnuts)x(price per pound) + (pounds of chips)x(price per pound)
=(pounds of mixture)x(price per pound)
given:
Price of walnuts in mixture =
Price of chips in mixture =
Price of mixture =

--------------

7 pounds of walnuts are needed
check:

and

OK
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