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A grocery store sold 125 gallons of milk and 80 boxes of cereal for a total of $610 the next day they sold 90 gallons of milk and 50 boxes of cereal for a total of $405 the price of the items stayed the same. how much does one gallon of milk cost

Respuesta :

125 gallons milk + 80 boxes = $610----a
90 gallons milk + 50 boxes = $405----b

90 x8/5  gallons milk  + 50 x8/5 boxes = $405x8/5 
144 gallons milk  + 80 boxes = $648---c
c - a = 19 gallons = $38 
gallon =$2


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