SOLUTION: A merchant has coffee worth $30 a pound that she wishes to mix with 30 pounds of coffee worth $80 a pound to get a mixture that can be sold for $60 a pound. How many pounds of the

Question 589084: A merchant has coffee worth $30 a pound that she wishes to mix with 30 pounds of coffee worth $80 a pound to get a mixture that can be sold for $60 a pound. How many pounds of the $30 coffee should be used?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = pounds of $30/pound coffee needed
= cost in dollars of $80/pound coffee

20 pounds of $30/pound coffee is needed
check:

OK
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