document.write( "Question 613718: a grocery store bought milk for $2.60 per half gallon and stored it in two refrigerators. During the night, one refrigerator malfunctioned and ruined 12 half gallons. if the remaining milk is sold for $4.02 per half gallon, how many half gallons did the store buy if they made a profit of $88.08 \n" ); document.write( "

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a grocery store bought milk for $2.60 per half gallon and stored it in two refrigerators. During the night, one refrigerator malfunctioned and ruined 12 half gallons. if the remaining milk is sold for $4.02 per half gallon, how many half gallons did the store buy if they made a profit of $88.08
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\n" ); document.write( "let x=number of half gallons of milk the store bought
\n" ); document.write( "x-12=remaining half gallons
\n" ); document.write( "profit=revenue-cost
\n" ); document.write( "88.08=4.02(x-12)-2.60x
\n" ); document.write( "88.08=4.02x-48.24-2.6x
\n" ); document.write( "1.42x=88.08+48.24=136.32
\n" ); document.write( "x=136.32/1.42=96
\n" ); document.write( "ans:
\n" ); document.write( "number of half gallons of milk the store bought=96 \n" ); document.write( "

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