We bought 5 pounds of cashew nuts worth $1.80 per pound, mixed with 4 pounds of peanuts worth $1.62 per pound. What is the value per pound of the mixture?

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5 pounds of cashew nuts at $1.80 per pound is worth 5xS1.80 = $9.00. 4 pounds of peanuts at S1.62 per pound is worth 4 x $1.62 = S6.48. The total value of the 9-pound mixture is $9.00 + $6.48 = $ 15.48. The value of the mixture per pound is found by dividing the total value by the number of pounds. $15.48 / 9 = $1.72

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