A grocery store bought ice cream for $2.80 per half gallon and stored it in two freezers. During the night, one freezer malfunct
ioned and ruined 12 half gallons. If the remaining ice cream is sold for $3.96 per half gallon, how many half gallons did the store buy if they made a profit of $66.16?
$98 dollars deposited into a checking account would be a positive integer because they're adding money into the account. It would be -98 if it was being taken out of the account.