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Aiden needs 15 liters of cleaning solution. He can buy a 2-gallon jug ($4.28), a 3-gallon jug ($5.92), a 4-gallon jug ($6.56), or a 7-gallon jug ($12.98). Which jug should he purchase to get at least 15 liters of cleaning solution and spend the least amount of money?

 Feb 7, 2020
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First, 15 l is 3.962 gallons needed      or 507.21 oz

 

 

He only need 3.962 gallons   so he would best be served by buying  a four gallon  bucket @ $ 6.56

           two 2 gallon buckets   total cost   8.56

           one two and one 3 costs              10.20  

 Feb 7, 2020

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