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You have one type of nut that sells for $7.00/lb and another type of nut that sells for $9.40/lb. You would like to have 7.2 lbs of a nut mixture that sells for $8.00/lb. How much of each nut will you need to obtain the desired mixture?

You will need
lbs of the cheaper nut
and
lbs of the expensive nut.

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