The owner of Snack Shack mixes cashews worth $5.75 a pound with peanuts worth $2.30 a pound to get a half-pound, mixed-nut bag worth $1.90, How much of each kind of nut is included in the mixed bag?
I haven't been doing the undated ones lately, but I like nuts.
Let the weight in pound of cashew nuts be
Let the weight in pound of peanuts be
We know that by weight:
The slope of part is the same as the slope of all
From the above:
From the above
So if all cashew nuts the cost is
Turn everything up the other way to get the