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zvonat [6]
3 years ago
9

A grocery store bought milk for $2.50 per half gallon and stored it in two refrigerators. During the night, one refrigerator mal

functioned and ruined 14 half gallons. If the remaining milk is sold for $3.98 per half gallon, how many half gallons did the store buy if they made a profit of $74.52?
Mathematics
1 answer:
daser333 [38]3 years ago
4 0
In this problem, we let x be the number of half gallons of milk the store bought, and x-12 be the remaining half gallonsWe use the equation profit = revenue-cost
 88.08=4.02(x-12)-2.60x88.08=4.02x-48.24-2.6x1.42x=88.08+48.24=136.32x=136.32/1.42=96Hence, the number of half gallons of milk the store bought is 96
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