SOLUTION: I have trouble with setting up word problems, here is my question How many pounds of green tea, worth $40 a pound, should be mixed with herbal tea, worth $50 a pound, to produ

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Question 469728: I have trouble with setting up word problems, here is my question

How many pounds of green tea, worth $40 a pound, should be mixed with herbal tea, worth $50 a pound, to produce 20 pounds of a blend worth $42 a pound?
Thank You
Answer by Razzak Ahmed(10) About Me  (Show Source):
You can put this solution on YOUR website!
First you have to multiply 42 by 20. Because you have to find the total cost of the whole bag. Then a little guess and check you would get 16 lb of green tea and 4 lb of herbal tea. They both have to equal 20 lbs and $840. Multiply 16 by 40 then 50 by 4 then add them together you will get 840.