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The Problem

You buy 10 lbs of mixed nuts. Cashews cost $ 3.50/lb and walnuts cost $ 2.00/lb How may pounds of each were bought if you spent $ 29.00

Answer provided by our tutors

Let I buy x pounds of Cashews and y pounds of walnuts.

So, x+y=10

and 3.5x+2y=29

Plugging the value of x from equation 1 to equation 2.






So, x=10-y=10-4=6.

I bought 6 pounds of cashew and 4 pounds of walnuts.


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midight of January 25th